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Mathematics Homework Help

The beauty of science and importance of MATHEMATICS cannot be described in mere words. Science is everything we see in any common day around us; falling of leaves from the tree, aero planes flying in the sky, lighting of a bulb, revolution of earth, even cooking food. All these examples can be explained based on the basis of scientific laws, BUT in order to derive these laws, to formulate these theories, and convert the virtual thought into the real existence we need a tool. This tool is defined as MATHEMATICS.

Mathematics is defined as the abstract science in which we study about number patterns and their relationship which in turn convey some specific results. It’s all about deducing results via logical analysis of number patterns or structures with the help of calculations. Many people find mathematics extraordinarily interesting and challenging.

Mathematics is one of the oldest and most important subjects ever required by humans. Even during Stone Age calculation of no. of years and need to communicate about time, distance and quantity existed.

Like biology, economics, chemistry, history, sociology, psychology and so on; Mathematics is also a deep and broad discipline that is still growing in every possible dimensions. In modern times people are finding interest in Mathematics honors even post-graduation courses like Ph.D. with mathematics degree one can turn to finance, statistics, engineering and computers with a success.

Mathematics in broadly classifies as pure mathematics and applied mathematics. Pure mathematics include topics like calculus, algebra, geometry, permutation, combination, number theory etc. whereas applied mathematics include differential equations, computing, mathematical physics, signal processing, probability, statistics etc.

But this does not hide the fact that most of the students in today’s world are scared of math. Students consider mathematics to be the toughest subject and even practicing for the complete academic year, they fail to get distinction. Well the possible reason is faulty practicing techniques. Math is a subject where a person learns to do things, but he needs a feedback too to check whether his approaches are justified or not. Hence use of continuous assessment is often advantageous.

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     Math TermDefinition
     Abscissa –

 

The x or first coordinate in an ordered pair.
Ex: (5,-3) Abscissa is 5

 

     Absolute Maximum –

 

The highest point (y value) of a function.
Ex:

 

     Absolute Minimum –

 

The lowest point (y value) of a function.
Ex:

 

     Absolute Value –

 

Distance a point is from the origin. Since it is a distance the number is always positive. We use the symbol | | to represent absolute value.
Ex: l -5 l = 5

 

     Acceleration –

 

The rate of change of velocity over a specified time period.
Ex:

 

     Accuracy –

 

The degree an approximation is to the correct answer.
Ex:

 

     Acute Angle –

 

An angle that is less than 90 degrees.
Ex: 24 degree angle is acute

 

     Acute Triangle –

 

A triangle whose interior angles are each less than 90 degrees
Ex: A triagle with angles of 80, 57, 43 degrees

 

     Additive Inverse –

 

The numbers opposite or negative. The sum of x and its additive inverse -x equals zero,
Ex: 14 and – 14

 

     Adjacent –

 

Close to or beside.
Ex:

 

     Adjacent Angles –

 

Two angles that share a vertex and have a common side between them.
Ex:

 

     Algorithm –

 

A set of steps followed to solve a math problem.
Ex:

 

     Alternate Exterior Angles –

 

The Pair of exterior angles formed on opposite sides of a transversal which lies on different parallel lines.
Ex:

 

     Alternate Interior Angles –

 

The Pair of interior angles formed on opposite sides of a transversal which lies on different parallel lines.

 

Ex:

     Altitude –

 

The shortest distance from the base of a figure to its top.
Ex:

 

     Amplitude –

 

One half of the difference between the minimum and maximum y values of a graph.
Ex: A graph has a minimum y value of 2 and a maximum y value of 13. (13 – 2) / 2 =5.5 amplitude

 

     Angle –

 

Two rays that share a common vertex.
Ex:

 

     Angle Bisector –

 

A line or ray that divides an angle equally in half.
Ex:

 

     Angle of Depression –

 

The angle below a horizontal line that a person must look to view an object.
Ex:

 

     Angle of Elevation –

 

The angle above a horizontal line that a person must look to view an object.
Ex:

 

     Angle of Inclination of a line –

 

The angle formed between a line and the x axis.
Ex:

 

     Apex –

 

The vertex of a cone or pyramid.
Ex:

 

     Apothem –

 

A line segment from the midpoint of a side to the center of a polygon.
Ex:

 

     Arc of a Circle –

 

A segment of the circumference of a circle.
Ex:

 

     Arccos –

 

The inverse of cosine or cos^-1
Ex:

 

     Arccot –

 

The inverse of cotangent or cot^-1
Ex:

 

     Arccsc –

 

The inverse of cosecant or csc^-1.
Ex:

 

     Arcsec –

 

The inverse of secant or sec^-1
Ex:

 

     Arcsin –

 

The inverse of sine or sin^-1
Ex:

 

     Arctan –

 

The inverse of tangent or tan^-1
Ex:

 

     Argument of a Complex Number –

 

An angle describing the direction of a complex number.
Ex:

 

     Argument of a Function –

 

The parameters on which a function operates.
Ex:

 

     Argument of a Vector –

 

An angle describing the direction of a vector.
Ex:

 

     Arithmetic Sequence –

 

A sequence of numbers which has a constant addition or subtraction between each term.
Ex: 10 + 45 +9 + 4

 

     Arithmetic Series –

 

The sum of a sequence of numbers which has a constant addition or subtraction between each term.
Ex: 10 + 4 +34 +45

 

     Asymptote –

 

A line or curve that a graph of a function approaches but does not intersect.
Ex:

 

     Average –

 

The mean of a data set.
Ex: 112, 7, 16 Add the 3 terms 112 +7 +16 =135 The average is 135 / 3 = 45

 

     Average Rate of Change –

 

The change in the value of a quantity divided by a period of time.
Ex: The temperature was 45 °, 3 hours later it was 60 °. (60 – 45) / 3 = 5 °/hr

 

     Axiom –

 

A statement that is accepted as true even though it is not proven.
Ex:

 

     Axis of Reflection –

 

An imaginary line where one side is a reflection of the other.
Ex:

 

     Axis of Symmetry –

 

A line on a graph where the two sides of the graph are mirror images.
Ex:

 

     Base –

 

The bottom of a figure in geometry.
Ex:

 

     Binomial –

 

A polynomial with two terms.
Ex: 3 x2 + y

 

     Bisect –

 

To cut into two congruent parts.
Ex: To bisect a line of 5 cm you would cut it in half at 2.5 cm.

 

     Bisector –

 

A line, segment, or plane that divides a figure into two congruent parts.
Ex:

 

     Bounded Set of Numbers –

 

A set of numbers that has an upper and lower bound.
Ex:

 

     Box and Whisker Plot –

 

A visual display of the minimum, first quartile, median, third quartile, and maximum of a data set.
Ex:

 

     Boxplot –

 

A box and whisker plot that also displays outliers.
Ex:

 

     Braces –

 

The { } symbol which are used to indicate sets.
Ex: {1,2,4}

 

     Brackets –

 

The [ ] symbol which are used interchangeably with ( ).
Ex: [ 5x + (x – 3) – 14]

 

     Cardinal Numbers –

 

The counting numbers 1, 2, 3 … that does not include decimals or fractions.
Ex: 1, 2, 3, 4, 5, 6…

 

     Cardinality of a Set –

 

The number of elements in a set.
Ex:

 

     Cartesian Coordinates –

 

The order pairs (x,y) or (x,y,z).
Ex: (5, 3), (5, 2)

 

     Cartesian Plane –

 

The plane that is formed by the x and y axis.
Ex:

 

     Ceiling Function –

 

A step function that outputs the smallest integer greater than or equal to x.
Ex:

 

     Central Angle –

 

An angle whose vertex is in the center of a circle.
Ex:

 

     Centroid –

 

The point in a figure where the medians intersect.
Ex:

 

     Chord –

 

A line segment that connects endpoints on a circle.
Ex:

 

     Circle –

 

The locus of all points that are a fixed distance from a point.
Ex:

 

     Circumcenter –

 

The center of a triangle’s circumcircle.
Ex:

 

     Circumcircle –

 

A circle that contains a figure and passes through all the vertices of the figure.
Ex:

 

     Circumference –

 

The distance around a circle.
Ex: Circumference = 2 * pi * radius

 

     Circumscribed –

 

Surrounded by the smallest possible circles.
Ex:

 

     Closed Interval –

 

An interval whose endpoints are included in the interval.
Ex:

 

     Coefficient –

 

A number in front of a variable.
Ex: In 5x, x is the coefficient

 

     Coincident –

 

Two or more figures that are exactly the same and share the same space.
Ex:

 

     Collinear –

 

Points that are on the same line.
Ex: For a line x = y, (4, 4) and (5, 5) are collinear.

 

     Combination –

 

A selection of object from a collection in which the order of the objects is irrelevant.
Ex:

 

     Common Logarithm –

 

A logarithm whose base is 10.
Ex: log(x)

 

     Common Ratio –

 

The ratio from a geometric sequence from one term to the next term.
Ex:

 

     Complement of an Angle –

 

A second angle which when added to the first angle equals 90 degrees.
Ex: The complement to a 32° angle is a 58° angle

 

     Complement of an Event –

 

The exact opposite of an event.
Ex:

 

     Complementary Angles –

 

Two angles that added together equal 90 degrees.
Ex: A 12° angle and a 78° angle are complementary angles.

 

     Complex Fraction –

 

A fraction whose numerator or denominator contains a fraction.
Ex: (1/x) / 4

 

     Complex Numbers –

 

Numbers that contain a real number and an imaginary number separated by addition or subtraction.
Ex: 5 + i

 

     Composite number –

 

A positive integer that is not prime.
Ex: 6 is composite because it can be divided by a number other than itself or 1.

 

     Composition –

 

Inserting one function in for x in the second function.
Ex: f(x) = 4 f(g) = f(x) + 5x So f(g) = 4 + 5x

 

     Compound Inequality –

 

Two or more inequalities.
Ex: 5 > 2 + x > 14

 

     Compound Interest –

 

Interest is earned on the interest and the principle.
Ex: Amt = Principle ( 1 + interest rate/number of compoundings )(number of compoundings * time)

 

     Compression –

 

A transformation of a figure that makes it smaller.
Ex:

 

     Compute –

 

To evaluate.
Ex:

 

     Concave –

 

A shape that has an indentation.
Ex:

 

     Concentric –

 

Similar Figures that share the same center.
Ex:

 

     Concurrent –

 

Lines or curves that intersect at one point.
Ex:

 

     Conditional –

 

An “If then” statement.
Ex: If x equals 4, then y equals 2.

 

     Cone –

 

A 3d figure with a base that tapers to an apex.
Ex:

 

     Congruent –

 

Exactly the same in size and shape.
Ex:

 

     Conjecture –

 

A hypotenuse.
Ex:

 

     Conjuction –

 

Two statements connected using and.
Ex: x + 5 = 0 and y – 2 = 0

 

     Conjugates –

 

The writing of sum of two terms as a difference or writing the difference of two terms as a sum.
Ex: 5 + 3x and 5 – 3x are conjugates

 

     Consecutive Interior Angles –

 

The Pair of interior angles formed on the same side of a transversal which lies on different parallel lines.
Ex:

 

     Consistent System of Equations –

 

A system of equations that has a solution.
Ex:

 

     Constant –

 

A number that does not contain a variable.
Ex: 5

 

     Continuously Compounded Interest –

 

Interest that is computed every instant using constant e.
Ex:

 

     Converse –

 

Changing the hypothesis and conclusion in a conditional statement.
Ex:

 

     Convex –

 

A figure with no indentations.
Ex:

 

     Coordinates –

 

The numbers giving the location of a point on the graph.
Ex: ( 3, 2 )

 

     Coplanar –

 

Objects that lie in the same plane.
Ex:

 

     Corollary –

 

A unique case of a general theorem that is noteworthy.
Ex:

 

     Correlation –

 

The degree in which two variables are related.
Ex:

 

     Correlation Coefficient –

 

A constant that measures the strength and direction of the correlation of two variables.
Ex:

 

     Corresponding –

 

Two attributes that are the same in different objects.
Ex:

 

     Cosecant –

 

The ratio of the hypotenuse to opposite side of a right triangle.
Ex:

 

     Cosine –

 

The ratio of the adjacent to hypotenuse side of a right triangle.
Ex:

 

     Cotangent –

 

The ratio of the adjacent to opposite side of a right triangle.
Ex:

 

     Coterminal Angles –

 

Angles that share a terminal side when drawn in standard position.
Ex:

 

     Counterexample –

 

An example that contradicts a stated proposition.
Ex:

 

     Counting Numbers –

 

The Positive integers.
Ex: 1, 2, 3, 4, 5, 6…

 

     Cross Product –

 

A way to multiply two vectors where the product produces a vector.
Ex:

 

     Cube –

 

A six sided figure where all the faces are equal.
Ex:

 

     Cube Root –

 

A number multiplied by itself three times that equals a given number.
Ex: 3 is the cube root of 27. 33 = 3 * 3 * 3 = 27

 

     Cubed –

 

Taking a number or quantity to the third power.
Ex: 2 3 = 8

 

     Cylinder –

 

A 3d figure where the bases are parallel and congruent.
Ex:

 

     Decreasing Function –

 

A function the falls from left to right on the graph.
Ex:

 

     Degree –

 

A unit of measure for angles that equals 1/360 of a circle.
Ex: ° is the degree symbol

 

     Degree of a Polynomial –

 

The highest power in a polynomial.
Ex: 2x2 + x3 + 5 where 3 is the degree of the poynomial

 

     Denominator –

 

The bottom of a fraction.
Ex: For x / 3, 3 is the denominator.

 

     Dependent variable –

 

A variable whose value depends on one or more other variables.
Ex:

 

     Diagonal of a Polygon –

 

A line segment that connect vertices that are not adjacent.
Ex:

 

     Diameter –

 

A line segment that connect two points on a circle and passes through the center.
Ex:

 

     Diametrically Opposed –

 

Two points that are directly opposite on a circle.
Ex:

 

     Dilation –

 

A transformation of a figure that makes it larger.
Ex:

 

     Dimensions –

 

A measurement of the size of an object.
Ex: A rectangle with length 5 cm and width 2 cm.

 

     Direct Proportion –

 

Two variables in which one is a constant multiple of the other.
Ex:

 

     Directrices of a Hyperbola –

 

Two parallel lines between a hyperbola which are perpendicular to the major axis of a hyperbola.
Ex:

 

     Directrices of an Ellipse –

 

Two parallel lines that are perpendicular to the major axis of an ellipse.
Ex:

 

     Directrix of a Parabola –

 

A line that is perpendicular to the axis of symmetry in a parabola.
Ex:

 

     Discontinuity –

 

A nonconnected point on the graph.
Ex:

 

     Discontinusous Function –

 

A function whose graph is not connected.
Ex:

 

     Discriminant –

 

In the quadratic formula the b^2 – 4ac which is useful for determining whether there are 0, 1 or 2 answers.
Ex: b2 – 4ac

 

     Disjoint Events –

 

Two events where it is impossible for both to happen.
Ex:

 

     Disjunction –

 

Two statements connected using or.
Ex: x = 5 or x = 2

 

     Distribute –

 

Multiplying parts of an expression in order to expand it.
Ex: 3 ( 5 + x ) distribute the 3 and you have 15 + 3x

 

     Diverge –

 

Failure to approach a finite limit.
Ex:

 

     Domain –

 

The independent variables (x values) for which the function is defined.
Ex:

 

     Dot product –

 

A way to multiply all the components of two vectors and adding the results together.
Ex:

 

     e –

 

A constant approximately equal to 2.718 that have many uses most commonly natural logarithms.
Ex:

 

     Eccentricity –

 

A number that shows how drawn out a conic is.
Ex:

 

     Element of a Matrix –

 

One of the numbers in a matrix.
Ex:

 

     Elements of a Set –

 

A distinct object in a set.
Ex:

 

     Ellipse –

 

A stretched circle.
Ex:

 

     Ellipsoid –

 

A figure similar to a sphere for which all cross-sections are ellipses.
Ex:

 

     Equation –

 

Two expressions that are separated by an equal sign.
Ex: x + 3 = 5

 

     Equiangular Triangle –

 

A triangles whole angles are congruent.
Ex:

 

     Equidistant –

 

Two or more objects that are the same distance from another object.
Ex: Two house are equidistant from a store when they are both 5 miles away from the store.

 

     Equilateral Triangle –

 

A triangle whose three sides are congruent.
Ex: A triangle with sides of 2, 2, 2.

 

     Equivalence Relation –

 

A relation that satisfies the reflective, transitive, and symmetric properties.
Ex:

 

     Essential Discontinuity –

 

A discontinuity that cannot be removed from the graph.
Ex:

 

     Euler Line –

 

A line segment that passes through a triangle’s orthocenter, centroid, and circumcenter.
Ex:

 

     Evaluate –

 

To solve.
Ex: Evaluate 5 * x = 10, so x = 2

 

     Even Function –

 

A function whose graph is symmetric with respect to the y axis.
Ex:

 

     Even Number –

 

An integer that is a divisible by 2.
Ex: 2, 4, 6, 8, 10…

 

     Event –

 

All the possible outcomes from an experiment.
Ex:

 

     Exclusive –

 

A disjunction where only one of the statements may be true.
Ex:

 

     Exclusive –

 

An case where endpoints are excluded in the interval.

 

Ex:

     Expand –

 

Multiplying parts of an expression in order to expand it.

 

Ex: 5 ( x + 2) – 3 ( y – 1), expand and get 5x + 10 – 3 ( y – 1)

     Expected Value –

 

The average result of an experiment given a significantly large number of trials.
Ex:

 

     Experiment –

 

A controlled, repeatable process.
Ex:

 

     Explicit Function –

 

A function whose y value can be written explicitly in terms of x values.
Ex:

 

     Exponent –

 

The superscipt that represents repeated multiplication.
Ex: 5 is the exponent in x5

 

     Exponential Decay –

 

An equation that shows the rate of decay is directly proportional to the amount present.
Ex:

 

     Exponential Growth –

 

An equation that shows the rate of growth is directly proportional to the amount present.
Ex:

 

     Expression –

 

A mathematical calculation that does not contain an equal or inequality sign.
Ex: x + 3

 

     Extraneous Solution –

 

An answer that does not satisfy the original equation.
Ex:

 

     Face –

 

One of the flat surfaces on a figure.
Ex:

 

     Factor of a Polynomial –

 

A polynomial that divides evenly into another polynomial.
Ex: x + 2 is a factor of the polynomial 2x +4

 

     Factor of an Integer –

 

An integer that divides evenly into another integer.
Ex:

 

     Factorial –

 

The product of a positive integer and all smaller positive integers. We use the ! to represent factorial.
Ex: 4! = 4 * 3 * 2 * 1 =24

 

     Falling Bodies –

 

A formula that models the dropping of an object.
Ex:

 

     Fibonacci Sequence –

 

The sequence of number in which the next term is the sum of the two previous numbers.
Ex: 1, 1, 2, 3, 5, 8, 13…

 

     Finite –

 

A set that has a specific amount of elements.
Ex:

 

     First Quartile –

 

A number where 25% of the data is smaller than the number.
Ex:

 

     Flip –

 

A transformation that mirrors the figure across a line.
Ex:

 

     Floor Function –

 

A step function that outputs the greatest integer less than or equal to x.
Ex:

 

     Focal Radius –

 

The distance from the center to the focus of an ellipse or hyperbola.
Ex:

 

     Foci of a Hyperbola –

 

Two points on the inside of a hyperbola that are used in its definition.

 

Ex:

     Foci of an Ellipse –

 

Two points on the inside of an ellipse that are used in its definition.
Ex:

 

     Focus –

 

A point used to draw and define a conic.
Ex:

 

     Focus of a Parabola –

 

A point on the inside of an parabola that are used in its definition.

 

Ex:

     FOIL Method –

 

An acronym that helps to remember how to distribute two binomials. FOIL stands for First, Outer, Inner, Last.
Ex: ( x + 2 ) * ( x – 1) = x2 – x + 2x – 2

 

     Formula –

 

An expression that is used to evaluate a desired result.
Ex: The formula for area of a rectangle is length times width. A = lw

 

     Fraction –

 

A ratio of numbers or variables in which the denominator is not zero.
Ex: 1 / 5

 

     Frequency of Periodic Motion –

 

The number of cycles completed per second.
Ex:

 

     Function –

 

A set of numbers where each x value has only one corresponding y value.
Ex: x = 5 + y

 

     Geometric Mean –

 

A type of mean that indicates the central tendency of a set of numbers.
Ex:

 

     Geometric Sequence –

 

A sequence which has a constant ratio between each term.
Ex:

 

     Glide –

 

A transformation that moves the graph but does not change its size or orientation.
Ex:

 

     Glide Reflection –

 

A transformation that translate and reflects the figure.
Ex:

 

     Golden Mean –

 

A constant approximately 1.618 that occurs in many settings, mostly with the Fibonacci sequence.
Ex:

 

     Greatest Common Factor –

 

The largest integer that divides evenly into a set of numbers.
Ex: The greatest common factor of 16, 40, 48 is 8.

 

     Greatest Lower Bound –

 

The largest of all lower bounds of a set.
Ex:

 

     Half-Closed Interval –

 

An interval that includes the one endpoint but does not include the other.
Ex:

 

     Half-Life –

 

For exponentially decaying substances the amount of time to reach half the original amount.
Ex:

 

     Harmonic Mean –

 

A type of average used when average rates are desired.
Ex:

 

     Height –

 

The shortest distance from the base of a figure to the top.
Ex:

 

     Helix –

 

A curve that is shaped like a spring.
Ex:

 

     Heptagon –

 

A seven sided polygon.
Ex:

 

     Hexagon –

 

A six sided polygon.
Ex:

 

     Horizontal –

 

Parallel to level ground.
Ex:

 

     Horizontal Line Test –

 

If a horizontal line intersects a graph more than once then the function is not one-to-one.
Ex:

 

     Hyperbola –

 

A conic that looks like an ellipse flipped inside out.
Ex:

 

     Hypotenuse –

 

The largest side of a right triangle.
Ex:

 

     Hypothesis –

 

The part of the conditional statement after if and before the conclusion
Ex:

 

     Identity –

 

An equation that is always true regardless of what numbers are substituted.
Ex: 5x * 0 = 0

 

     Image of a Transformation –

 

The result after a transformation is performed.
Ex:

 

     Imaginary Numbers –

 

A number in the form bi where i is defined as the squareroot of -1 and b is a coefficient.
Ex: i, 2i, 3i…

 

     Improper Fraction –

 

A fraction where the numerator is bigger than the denominator.
Ex: 5 / 3

 

     Improper Rational Expression –

 

A rational expression where the degree of the numerator is greater than or equal to the degree of the denominator.
Ex: 3x4 / y2

 

     Incenter –

 

The center of an inscribed circle.
Ex:

 

     Incircle –

 

The largest circle that can be drawn in the interior of a figure.
Ex:

 

     Inclusive –

 

An interval that includes the endpoints.
Ex:

 

     Inclusive or –

 

A disjunction where one or both of the statements may be true.
Ex:

 

     Increasing Function –

 

A function whose graph increases from left to right.
Ex:

 

     Independent Events –

 

Events where one event does not affect the outcome of another.
Ex:

 

     Independent Variable –

 

A variable that does not depend on the other variable (x value).
Ex:

 

     Inequality –

 

Two expressions that are separated by an >, <, ≥, or ≤

 

Ex: 5x > 15

     Infinite –

 

A set of numbers that does not end.
Ex:

 

     Infinity –

 

A mathematical concept which indicates a quantity without bound or end. We use ∞ to represent infinity.
Ex:

 

     Inflection Point –

 

A point where the graph changes from concave up to concave down or vice-versa.
Ex:

 

     Initial Side of an Angle –

 

The ray where we start measuring an angle.
Ex:

 

     Inradius –

 

The radius of an inscribed circle.
Ex:

 

     Inscribed Angle –

 

An angle inside a circle whose vertex lies on the circle.
Ex:

 

     Integers –

 

The positive and negative whole numbers including zero.
Ex: -5, -4, -3, -2, -1, 0, 1, 2, 3…

 

     Interest –

 

The amount of money paid in order to borrow money.
Ex: Interest = principle * rate * time

 

     Interior –

 

The points inside a figure.
Ex:

 

     Interior Angle –

 

An angle on the inside of a figure.
Ex:

 

     Interquartile Range –

 

The result of the first quartile minus the third quartile.
Ex:

 

     Intersection –

 

The elements or points that sets or objects have in common.
Ex: Two lines intersect at the point (2,5)

 

     Interval –

 

The set of real numbers between two points.
Ex: A line with end points (2,5) and (8,5)

 

     Interval Notation –

 

Representing an interval using a pair of numbers and parenthesis/brackets.
Ex: The interval between (2,5) and (8,5)

 

     Invariant –

 

A property that cannot be changed by a particular transformation.
Ex:

 

     Inverse –

 

The quantity that cancels out another quantity.
Ex: The inverse of 5 is -5

 

     Inverse Function –

 

A function resulting from switching the x and y values in a function.
Ex: The inverse of 2 – x is -2 + x

 

     Inverse Proportion –

 

A constant relationship between two variables where when one increases the other decreases by a constant amount.
Ex:

 

     Irrational number –

 

A number that we cannot write as a fraction.
Ex: √2

 

     Isometry –

 

A transformation where the distance between points in the pre-image are the same distance in the image.
Ex:

 

     Isosceles Triangle –

 

A triangle where two sides are the same.
Ex: A triangle with sides of 2, 2, 3

 

     Iterative Process –

 

An algorithm where you repeatedly use the same formula or step.
Ex:

 

     Joint Variation –

 

One variable is directly proportional to a set of variables.
Ex:

 

     Jump Discontinuity –

 

A discontinuity where the graph jumps from one part of the graph to another.
Ex:

 

     Kite –

 

A quadrilateral that has two pairs of congruent adjacent sides.
Ex:

 

     Lateral Area –

 

The surface area of of a solid not including the area of the bases.
Ex: The lateral area of a can of soup would be the area of the label.

 

     Leading Coefficient –

 

The coefficient of the variable with the highest power.
Ex: The leading coefficient of 5x2 + 10x is 5.

 

     Leading Term –

 

The highest power term in a polynomial.
Ex:

 

     Least Common Denominator –

 

The smallest denominator that we can use for two or more fractions.
Ex: For 1/3 and 1/6 the least common denominator is 6.

 

     Least Squares Fit –

 

The linear fit that follows the paired data as close as possible.
Ex:

 

     Least Squares Regression Equation –

 

An equation that models the paired data as closely as possible.
Ex:

 

     Least Upper Bound –

 

The smallest upper bound of a set of numbers.
Ex:

 

     Leg of a Right Triangle –

 

The two sides of the triangle that are not the hypotenuse.
Ex:

 

     Leg of a Trapezoid –

 

A side that connect the bases of a triangle.
Ex:

 

     Leg of an Isosceles Triangle –

 

Either of the two equal sides of an isosceles triangle.
Ex:

 

     Lemma –

 

A small proof that is used to help prove a theorem.
Ex:

 

     Like Terms –

 

Terms that are of the same variable and to the same power or root.
Ex: x2 and 2x2 are like terms.

 

     Limit –

 

A value that a function approaches as the domain approaches a certain value.
Ex:

 

     Limit from Above –

 

A limit where the domain is taken for values greater than the number the domain variable approaches.
Ex:

 

     Limit from Below –

 

A limit where the domain is taken for values less than the number the domain variable approaches.
Ex:

 

     Line –

 

A straight path between two points that extends infinitely in both directions.
Ex:

 

     Line segment –

 

A line between two points that ends at each point.
Ex:

 

     Line Segment –

 

A line between two points that ends at each point.
Ex:

 

     Linear –

 

Created by lines.
Ex:

 

     Linear Combination –

 

The sum of the multiples of every variable.
Ex:

 

     Linear Equation –

 

An equation whose graph is a straight line, and degree is 1 or is a vertical or horizontal line.
Ex:

 

     Linear Factorization –

 

Factoring a polynomial so that each factors highest power is 1.
Ex:

 

     Linear Fit –

 

A line used to model a set of paired data.
Ex:

 

     Linear Inequality –

 

An inequality whose degree is 1.
Ex: 2x – 3y < 12

 

     Linear Pair of Angles –

 

Adjacent angles that are formed by intersecting lines.
Ex:

 

     Linear Programming –

 

An algorithm used to solve system of inequality problems where we are finding the largest or smallest possible value.
Ex:

 

     Linear Regression –

 

Modeling the relationship between variables.
Ex:

 

     Linear System of Equation –

 

A set of equations taken together where all the equations are linear.
Ex:

 

     Local Behavior –

 

A property of a graph close to a particular point.
Ex:

 

     Local Maximum –

 

The highest point on a specific part of the graph.
Ex:

 

     Local Minimum –

 

The lowest point on a specific part of the graph.
Ex:

 

     Locus –

 

A set of points that form a figure.
Ex:

 

     Logarithm –

 

The power that the base must be raised in order to produce a particular number. We denote Logarithms using log.
Ex: logb(y) = x is equivalent to y = bx

 

     Logistic –

 

A graph that increases quickly then slows as it approaches an upper limit.
Ex:

 

     Lower Bound of a Set –

 

A number that is less than or equal to every elements in a set.
Ex:

 

     Lower Quartile –

 

A number where 25% of the data is smaller than the number.
Ex:

 

     Lowest Common Multiple –

 

The smallest positive integer that two or more numbers divide into evenly.
Ex: For 2 and 3, multiples of 2 are 4, 6, 8… multiples of 3 are 6, 9, 12.., LCM of 2 and 3 is 6

 

     Magnitude –

 

The size or amount of an object.
Ex:

 

     Magnitude of a Vector –

 

A vectors length.
Ex:

 

     Major Acr –

 

The longest arc between two points on a circle.
Ex:

 

     Major Axis of a Hyperbola –

 

A line that passes through the center, foci, and vertices of a hyperbola.
Ex:

 

     Major Axis of an Ellipse –

 

A line that passes through the center, foci, and vertices of an ellipse.
Ex:

 

     Major Diameter of an Ellipse –

 

A line segment that joins the vertices of an ellipse.
Ex:

 

     Matrix –

 

A rectagular array of numbers usually denoted by [ ].
Ex:

 

     Matrix Inverse –

 

A matrix that when multiplied by another matrix, the result is the identity matrix.
Ex:

 

     Maximize –

 

Finding the largest value.
Ex:

 

     Maximum of a Function –

 

The highest point (y value) on the graph.
Ex:

 

     Mean –

 

The average, which is found by adding all the numbers together and dividing by how many you added.
Ex:

 

     Measure of an Angle –

 

The size of an angle which is measured in degrees or radians.
Ex:

 

     Measurement –

 

Finding amount or size of an object.
Ex:

 

     Median –

 

The number in a set where half of the numbers are larger and half are smaller. If two numbers are in the middle find the mean of the two numbers.
Ex: 2,9,33,56,88 Median is 33

 

     Median of a Trapezoid –

 

A line segment that connects the midpoints of a trapezoid’s legs.
Ex:

 

     Median of a Triangle –

 

A line segment connecting the vertex to the midpoint of a triangle.
Ex:

 

     Midpoint –

 

A point that is halfway between two point.
Ex:

 

     Minimize –

 

To find the smallest value that satisfies the function.
Ex:

 

     Minimum of a Function –

 

The smallest value on a graph.
Ex:

 

     Minor Arc –

 

The shortest arc between two points on a circle.
Ex:

 

     Minor Axis of a Hyperbola –

 

A line perpendicular to the major axis of a hyperbola that passes through the center of a hyperbola.
Ex:

 

     Minor Axis of an Ellipse –

 

A line that is perpendicular to the major axis of an ellipse and goes through the center.
Ex:

 

     Minor Diameter of an Ellipse –

 

A segment that is perpendicular to the major diameter and passes through the center of the ellipse.
Ex:

 

     Minute –

 

A unit of angle measurement that equals 1/60 of a degree.
Ex:

 

     Mixed Number –

 

A number written as an integer and a proper fraction.
Ex:

 

     Mode –

 

The most frequent number in a set of numbers.
Ex:

 

     Model –

 

An equation or system of equations that represents a “real-world” example.
Ex:

 

     Modulo –

 

The remainder when you divide one number by another.
Ex:

 

     Moment –

 

A number that tells how well a figure balances on a line.
Ex:

 

     Monomial –

 

A one term polynomial.
Ex:

 

     Multiplicative Inverse of a Number –

 

The reciprocal of a number.
Ex:

 

     Multiplicity –

 

The number of times a number is a zero for a polynomial.
Ex:

 

     Multivariable –

 

A problem that contains more than one variable.
Ex:

 

     Natural Logarithm –

 

A logarithm whose base is e. We use ln to denote Natural Log.
Ex:

 

     Natural Numbers –

 

The Positive integers.
Ex:

 

     Negative Exponent –

 

When taking a base to a negative power, the solution is the reciprocal with the exponent positive.
Ex:

 

     Negative Number –

 

A number that is less than zero.
Ex:

 

     Negative Reciprocal –

 

When you switch the numerator and denominator of a fraction and change the sign.
Ex:

 

     Negatively Associated Data –

 

Two variables where as one value increases the other decreases.
Ex:

 

     Noncollinear –

 

Points that are not on the same line.
Ex:

 

     Number line –

 

A line that represents all real numbers.
Ex:

 

     Numerator –

 

The top of a fraction.
Ex:

 

     Oblique –

 

Lines that are at an angle in, not horizontal or vertical.
Ex:

 

     Obtuse Angle –

 

An angle that is larger than 90 degrees and less than 180 degrees.
Ex:

 

     Obtuse Triangle –

 

A triangle that has an angle greater than 90 degrees.
Ex:

 

     Octagon –

 

An eight sides figure.
Ex:

 

     Odd function –

 

A function whose graph is symmetric with respect to the origin.
Ex:

 

     Odd number –

 

An integer that is not divisible by 2.
Ex:

 

     Odds –

 

A way to represent the likelihood of something happening, usually written as a ratio a:b.
Ex:

 

     One-Sided Limit –

 

A limit from either the left or right.
Ex:

 

     One-to-One Function –

 

A function where every y value corresponds to only one x value.
Ex:

 

     Open Interval –

 

An interval where the endpoints are not included.
Ex:

 

     Ordered Pair –

 

The numbers giving the location of a point on the graph.
Ex:

 

     Ordinal Numbers –

 

Numeric words that tell us the order, like first, second, third…
Ex:

 

     Ordinate –

 

The y value of an ordered pair.
Ex:

 

     Origin –

 

The intersection of the x and y axis, denoted by (0,0).
Ex:

 

     Orthocenter –

 

A point where the altitudes of a triangle intersect.
Ex:

 

     Orthogonal –

 

Form a right angle.
Ex:

 

     Outcome –

 

A result of an experiment.
Ex:

 

     Outlier –

 

A point that is completely different from the rest of the data.
Ex:

 

     Oval –

 

A curve that resembles an egg.
Ex:

 

     Paired Data –

 

Data that come as an ordered pair.
Ex:

 

     Parabola –

 

A u-shaped curve.
Ex:

 

     Parallel Lines –

 

Lines that never intersect.
Ex:

 

     Parallel Planes –

 

Planes that never intersect.
Ex:

 

     Parallogram –

 

A four sided figure with two pairs on parallel sides.
Ex:

 

     Parametric Equations –

 

A system of equations that has more than one dependent variable.
Ex:

 

     Parent Function –

 

A very basic function of which other more complex functions are built.
Ex:

 

     Parenthesis –

 

First in the Order of operations denoted by ( ) .
Ex:

 

     Pascal’s Triangle –

 

A triangle made up of numbers where each entry is determined by adding the two numbers that are above and on the other side of the entry.
Ex:

 

     Pentagon –

 

A five sided figure.
Ex:

 

     Percentile –

 

The value where a specified percent fall below.
Ex:

 

     Perfect Number –

 

A number where the sum of all positive integer factors add up to the number.
Ex:

 

     Perfect Square –

 

A number whose squareroot is a rational number.
Ex:

 

     Perimeter –

 

The sum of all the sides of a figure.
Ex:

 

     Period of Periodic Motion –

 

The time taken to complete a cycle.
Ex:

 

     Periodic Function –

 

A function whose graph repeats itself from left to right.
Ex:

 

     Periodic Motion –

 

Motion that repeats a pattern.
Ex:

 

     Permutation –

 

A selection of object from a collection in which the order of the objects is important.
Ex:

 

     Perpendicular –

 

Form a right angle.
Ex:

 

     Perpendicular Bisector –

 

A perpendicular line through the midpoint of a segment.
Ex:

 

     Pi –

 

An irrational number approximately equal to 3.14159 that is the ratio of the Circumference to Diameter of all circle.
Ex:

 

     Piecewise Continuous Function –

 

A function with a defined number of connected pieces.
Ex:

 

     Piecewise Function –

 

A function that has different formulas for different x values.
Ex:

 

     Plane –

 

An imaginary flat surface that extends in all direction and has zero thickness.
Ex:

 

     Point –

 

An exact location on a plane, represented by a dot.
Ex:

 

     Point-Slope Equation of a Line –

 

y – y1 = m(x – x1) where y1 and x1 are a given point and m is the slope.
Ex:

 

     Polar Axis –

 

The positive part of the x-axis.
Ex:

 

     Polar Coordinates –

 

Points defined by the distance from the origin for the first coordinate, and an angle measurement for the second coordinate.
Ex:

 

     Polygon –

 

A closed figure where all sides are line segments and not curves.
Ex:

 

     Polyhedron –

 

A figure whose faces are polygons and edges are line segments.
Ex:

 

     Polynomial –

 

An expression whose terms are made up of constants, variables, and exponent, that are separated by addition or subtraction.
Ex:

 

     Polynomial Long Division –

 

A method employed to divide polynomial which is performed the same way as long division of simple numbers.
Ex:

 

     Population –

 

All the cases considered in a statistics experiment.
Ex:

 

     Positive Number –

 

All the real numbers that are greater than zero.
Ex:

 

     Positively Associated Data –

 

Two variables where as one value increases/decreases the other increases/decreases.
Ex:

 

     Postulate –

 

A statement that we accept as true without having to prove.
Ex:

 

     Power –

 

The superscipt that represents repeated multiplication.
Ex:

 

     Pre-Image of a Transformation –

 

The original figure before a transformation has taken place.
Ex:

 

     Precision –

 

The number of significant digits used in a given problem.
Ex:

 

     Prime Factorization –

 

An integer written as a product of powers of prime numbers
Ex:

 

     Prime Number –

 

A number that is divisable only by itself and 1.
Ex:

 

     Principal –

 

The original amount invested.
Ex:

 

     Prism –

 

A figure whose bases are parallel congruent polygons.
Ex:

 

     Probability –

 

The likelihood of an event happening.
Ex:

 

     Product –

 

The result of multiplication.
Ex:

 

     Projectile Motion –

 

A formula that models the dropping of an object.
Ex:

 

     Proper Fraction –

 

A fraction whose denominator is larger than the numerator.
Ex:

 

     Proportional –

 

Two variables that have a constant ratio between them.
Ex:

 

     Pyramid –

 

A polyhedron whose base is a polygon and sides are a triangle that share a common vertex.
Ex:

 

     Quadrantal Angle –

 

An angle whose terminal side falls on the x or y axis.
Ex:

 

     Quadrants –

 

Dividing the x-y axis into four sections.
Ex:

 

     Quadratic –

 

An equation whose degree is 2 and graph is a parabola.
Ex:

 

     Quadratic Equation –

 

An equation whose degree is 2 and graph is a parabola.
Ex:

 

     Quadratic Polynomial –

 

A polynomial whose degree is 2.
Ex:

 

     Quartic Polynomial –

 

A polynomial whose degree is 4.
Ex:

 

     Quartile –

 

Values that divide a set into four equal parts.
Ex:

 

     Quintic Polynomial –

 

A polynomial whose degree is 5.
Ex:

 

     Quintiles –

 

Values that divide a set into five equal parts.
Ex:

 

     Quotient –

 

The result of division.
Ex:

 

     Radian –

 

A unit of measure for angles, defined by 2 pi radians = 360 degrees.
Ex:

 

     Radical –

 

Taking the square or nth root denoted by √
Ex:

 

     Radicand –

 

The term under the radical symbol.
Ex:

 

     Radius of a Circle –

 

A line segment from a point on a circle to the center.
Ex:

 

     Range –

 

The y values of a function.
Ex:

 

     Ratio –

 

A comparision of two numbers by dividing them.
Ex:

 

     Rational Equation –

 

An equation that contains a rational expression.
Ex:

 

     Rational Exponents –

 

An exponent that is a fraction.
Ex:

 

     Rational Expression –

 

An expression that has two polynomials that are divided.
Ex:

 

     Rational Function –

 

A function that has a polynomial divided by another polynomial.
Ex:

 

     Rational Numbers –

 

All numbers that can be written as a fraction, including the integers.
Ex:

 

     Rationalizing the Denominator –

 

Rewriting the denominator so it only contains rational numbers.
Ex:

 

     Ray –

 

A point and a straight line.
Ex:

 

     Real Numbers –

 

The set of all numbers on a number line.
Ex:

 

     Real Part –

 

The non-imaginary part of a complex number.
Ex:

 

     Reciprocal –

 

The quantity that cancels out another quantity.
Ex:

 

     Rectangle –

 

A four sided figure where the angles are 90 degrees.
Ex:

 

     Rectangular Coordinates –

 

The order pairs (x,y) or (x,y,z).
Ex:

 

     Reduce a Fraction –

 

Simplifying the fraction so that all common factors cancel out.
Ex:

 

     Reference Angle –

 

The smallest angle between the ray and the x axis.
Ex:

 

     Reflection –

 

A transformation that mirrors the figure across a line.
Ex:

 

     Regression Equation –

 

A function that fits a set of data as close as possible.
Ex:

 

     Relation –

 

A set of coordinates.
Ex:

 

     Relative Maximum –

 

The highest point on a specific part of the graph.
Ex:

 

     Relative Minimum –

 

The smallest point on a specific part of the graph.
Ex:

 

     Relatively Prime –

 

Two numbers whose greatest common factor is 1.
Ex:

 

     Remainder –

 

What is left after long division.
Ex:

 

     Removable Discontinuity –

 

A hole in the graph that can be fixed by filling in a one point.
Ex:

 

     Residual –

 

The distance a data point is from the line of regression vertically.
Ex:

 

     Restricted Domain –

 

A specific part of the domain.
Ex:

 

     Restricted Function –

 

A function whose domain restricted.
Ex:

 

     Rhombus –

 

A parallelogram that has four equal sides.
Ex:

 

     Right angle –

 

A 90 degree angle.
Ex:

 

     Right Triangle –

 

A triangle that has a right angle.
Ex:

 

     Root –

 

An x values which makes a function equal zero.
Ex:

 

     Root of a Number –

 

Taking the square or nth root denoted by √
Ex:

 

     Rotation –

 

A transformation that turns around a fixed point.
Ex:

 

     Rounding a Number –

 

Approximating a number to a certain precision.
Ex:

 

     Sample Space –

 

All possible outcomes of an experiment.
Ex:

 

     Satisfy –

 

Showing that the answer is true by substituting the answer into the equation.
Ex:

 

     Scalar –

 

A number that has no direction.
Ex:

 

     Scale Factor –

 

The ratio of corresponding sides of similar figures.
Ex:

 

     Scalene Triangle –

 

A triangle with three different side lengths.
Ex:

 

     Scatterplot –

 

An x-y graph of paired data.
Ex:

 

     Scientific Notation –

 

A way to write really large or really small numbers using the form a x 10^b
Ex:

 

     Secant –

 

The ratio of the hypotenuse to adjacent side of a right triangle.
Ex:

 

     Secant Line –

 

A line that passes through two or more points of a curve.
Ex:

 

     Second –

 

A unit of angle measurement that equals 1/3600 of a degree.
Ex:

 

     Sector of a Circle –

 

An area of a circle bounded by two radii.
Ex:

 

     Segment of a Circle –

 

A part of a circle bounded by a chord and arc.
Ex:

 

     Semicircle –

 

One half of a circle.
Ex:

 

     Set –

 

A group of elements.
Ex:

 

     Shift –

 

A transformation that moves the graph but does not change its size or orientation.
Ex:

 

     Shrink –

 

A transformation in which all x or y coordinates are multiplied by a fraction between 0 and 1.
Ex:

 

     Side of an Angle –

 

One of the rays of an angle.
Ex:

 

     Significant Digits –

 

A measurement of how precise a number is measured.
Ex:

 

     Similar –

 

The same shape, but not necessarily the same size.
Ex:

 

     Simple Closed Curve –

 

A curve that does not intersect itself and ends at the point where it started.
Ex:

 

     Simple Closed Curve –

 

A curve that does not intersect itself and ends at the point where it started.
Ex:

 

     Simple Interest –

 

Compounding interest only on the principal and not on interest.
Ex:

 

     Simplify –

 

To rewrite in the simplest form.
Ex:

 

     Simultaneous Equations –

 

A set of equations taken together.
Ex:

 

     Sine –

 

The ratio of opposite to hypotenuse of a right triangle.
Ex:

 

     Sinusoid –

 

A graph that looks like a wave.
Ex:

 

     Skew Lines –

 

Lines that do not intersect.
Ex:

 

     Slant Height –

 

The diagonal line segment from the base to the apex.
Ex:

 

     Slope of a Curve –

 

A number that defines the steepness of a curve.
Ex:

 

     Slope of a line –

 

The steepness of a line, denoted by m.
Ex:

 

     Slope-Intercept Form –

 

An equation in the form y = mx + b, where m is the slope and b is the y intercept.
Ex:

 

     Solid –

 

A three dimensional figure.
Ex:

 

     Solution –

 

The answer to an equation, inequality, or system of equation/inequalities.
Ex:

 

     Solve –

 

To find the answer to a problem.
Ex:

 

     Speed –

 

The distance traveled over a period of time.
Ex:

 

     Sphere –

 

A 3d solid like a basketball.
Ex:

 

     Spiral –

 

A curve that turns outwards or inward endlessly.
Ex:

 

     Square –

 

A rectangle whose sides are equal.
Ex:

 

     Square Root –

 

A number when multiplied by itself that equals another number.
Ex:

 

     Standard Form of an Equation –

 

An equation in the form
Ax + By = C
Ex:

 

     Standard Position –

 

An angle starting at the x axis and moving counterclockwise.
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     Stem-and Leaf Plot –

 

A way to display a distribution in a simplifed form.
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     Step Function –

 

A floor or ceiling function whose graph looks like stairs.
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     Straight angle –

 

An angle that is 180 degrees.
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     Sum –

 

The result of addition.
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     Supplement of an Angle –

 

A second angle that when added to the first angle is 180 degrees.
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     Supplementary –

 

Two angles that when added together equal 180 degrees.
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     Surface –

 

A figure that excludes interior points.
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     Surface Area –

 

The sum of all surfaces of a solid.
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     Symmetric –

 

A figure or graph that contains two or more congruent parts.
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     Symmetric about the origin –

 

A graph that is the same after it is reflected around the x and y axis.
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     Symmetric about the x axis –

 

A graph that is the same after reflected around the x axis.
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     Symmetric about the y axis –

 

A graph that is the same after reflected around the y axis.
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     System of Equations –

 

Two or more equations that involve the same group of variables.
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     Tangent –

 

The ratio of the opposite to adjacent side of a right triangle.
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     Tangent Line –

 

A line that only touches a curve at one point.
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     Term –

 

A part of an equation or number that is separated by an addition or subtraction sign.
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     Terminal Side of an Angle –

 

The ray where an angle measurement ends.
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     Tessellate –

 

Identical pieces that cover a plane.
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     Tetrahedron –

 

A polyhedron that has four triangular faces.
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     Theorem –

 

A hypothesis that is proven.
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     Three Dimensional Coordinates –

 

A system where points are one the (x, y, z) axis.
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     Transcendental Numbers –

 

A number that is not a root of any integer polynomial.
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     Transformations –

 

Operation that moves, reflects, stretches, compresses, or rotates a figure.
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     Transitive property –

 

If a is equal to b and b is equal to c, then a must be equal to c.
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     Translation –

 

A transformation that moves a figure to a new location.
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     Transversal –

 

A line that intersect a set of lines or sides.
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     Trapezoid –

 

A quadrilateral that has two opposite parallel sides and two bases.
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     Triangle –

 

A three sided polygon.
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     Triangle Inequality –

 

A statement that one side of a triangle cannot be larger than the sum of the other two sides.
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     Triangulation –

 

Locating the position of a point, by observing the direction and distance to two or more points.
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     Trinomial –

 

A polynomial that has three terms.
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     Trivial –

 

A solution that is not noteworthy.
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     Unbounded Set of Numbers –

 

A set of numbers that has an infinite number of terms.
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     Undefined Slope –

 

The slope of a vertical line.
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     Uniform –

 

All elements are the same or have the same manner.
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     Union –

 

The intersection of two or more sets.
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     Unit –

 

A circle centered at the origin with a radius of 1.
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     Upper Bound –

 

A number that is greater than or equal to any element in a set.
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     Upper Quartile –

 

A number where 75% of the data is smaller than the number.
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     Variable –

 

A number that is represented by a letter or symbol.
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     Vector –

 

A quantity with both size and direction.
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     Velocity –

 

Speed without direction.
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     Venn Diagram –

 

An illustration of data and how they are related using ovals.
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     Vertex –

 

A point on the corner of a figure.
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     Vertical –

 

Perpendicular to horizontal or straight up and down.
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     Vertical Angles –

 

At the intersection of two lines, angles that are opposite one another.
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     Vertical Line Test –

 

If a vertical line intersects a graph in more than once place then the graph is not a function.
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     Volume –

 

The amount of space occupied by a solid.
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     Weighted Average –

 

Calculating the average where some numbers carry more weight than others.
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     Whole Numbers –

 

The positive x integers including zero.
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     x-intercept –

 

A point that lies on the x axis.
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     y-intercept –

 

A point that lines on the y axis.
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     Z-intercept –

 

A point that intersects the z-axis.
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     Zero –

 

A number that has no quantity, size, or magnitude, and is neither positive or negative.
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     Zero of a function –

 

An x values which makes a function equal zero.
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     Zero Slope –

 

The slope of a horizontal line.
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