A line that A line that intersects two intersects two or more lines.or more lines.

TransversalTransversal

A collection of A collection of objects or objects or elementselements

SetSet

A letter that A letter that represents a represents a

value that can value that can change or vary.change or vary.

VariableVariable

In a right triangle, the In a right triangle, the square of the length of square of the length of

the hypotenuse is the hypotenuse is equal to the sum of equal to the sum of the squares of the the squares of the lengths of the legs.lengths of the legs.

Pythagorean Pythagorean TheoremTheorem

A way to A way to show all the show all the

possible possible outcomes.outcomes.

Tree DiagramTree Diagram

The set The set containing all containing all

the elements of the elements of both sets.both sets.

UnionUnion

A method of writing A method of writing very large or very very large or very small numbers by small numbers by

using powers of 10.using powers of 10.

Scientific Scientific NotationNotation

The type of a The type of a change a line change a line

makes and the makes and the rate it moves.rate it moves.

Rate of ChangeRate of Change

A function A function whose graph whose graph is a straight is a straight

line.line.

Linear Linear FunctionFunction

An ordered list An ordered list of numbers.of numbers.

SequenceSequence

The value of x The value of x and y where the and y where the line crosses the line crosses the

axis.axis.

InterceptIntercept

The opposite The opposite of a numberof a number

Additive Additive InverseInverse

An equation whose An equation whose solutions form a solutions form a

straight line on the straight line on the coordinate plane.coordinate plane.

Linear Linear EquationEquation

The set The set containing the containing the

elements that are elements that are common to both common to both

sets.sets.

IntersectionIntersection

The set of all The set of all elements not in elements not in the original set.the original set.

ComplementComplement

An object in An object in a set.a set.

ElementElement

A set A set contained contained

within within another set.another set.

SubsetSubset

A mathematical A mathematical sentence using >, <, sentence using >, <, >>, or , or << whose graph whose graph

is a region with a is a region with a straight-line straight-line boundary.boundary.

Linear InequalityLinear Inequality

An ordered list of An ordered list of numbers in which the numbers in which the difference between difference between

consecutive terms is consecutive terms is the same.the same.

Arithmetic SequenceArithmetic Sequence

RepeatinRepeatingg

RecursiveRecursive

Shows Shows relationships relationships among sets among sets

using circles to using circles to represent each represent each

set.set.

Venn Venn DiagramDiagram

If there are m ways to If there are m ways to choose the first item and choose the first item and

n ways to choose the n ways to choose the second after the first has second after the first has been chosen, then there been chosen, then there are m are m · n ways to choose · n ways to choose

all items.all items.Fundamental Counting Fundamental Counting

PrinciplePrinciple

A number from A number from 0 to 1 that 0 to 1 that

describes how describes how likely and event likely and event

is to occur.is to occur.

ProbabilityProbability

One of two One of two equal factors equal factors of a number.of a number.

Square RootSquare Root

Any number Any number that can be that can be

expressed as a expressed as a ratio of two ratio of two

integers.integers.

Rational Rational NumberNumber

A mathematical A mathematical sentence that shows sentence that shows

the relationship the relationship between quantities between quantities

that are not that are not equivalentequivalent..

InequalityInequality

The reciprocal The reciprocal of a number.of a number.

MultiplicativMultiplicative Inversee Inverse

A measure of A measure of the steepness the steepness of a line on a of a line on a

graph.graph.

SlopeSlope

A straight line that A straight line that comes closest to comes closest to the points on a the points on a

scatter plot.scatter plot.

Line of best fitLine of best fit

A pairing A pairing between two sets between two sets

of numbers.of numbers.

RelationRelation

A set of two or A set of two or more linear more linear

equations that equations that contain two or contain two or more variables.more variables.

System of linear System of linear equationsequations

Two or more Two or more terms that have terms that have

the same the same variable raised variable raised

to the same to the same power.power.

Like termsLike terms

The symbol used to The symbol used to represent the represent the nonnegative nonnegative

square root of a square root of a number.number.

RadicalRadical

A number that A number that indicates how indicates how many times a many times a

base is used as a base is used as a factor.factor.

ExponentExponent

A number that cannot A number that cannot be expressed as a be expressed as a

ratio of two integers ratio of two integers or as a repeating or or as a repeating or terminating decimal.terminating decimal.

Irrational Irrational NumberNumber

All digits that All digits that are known are known

with with certainty.certainty.

Significant Significant DigitsDigits

An input-output An input-output relationship that relationship that has exactly one has exactly one output for each output for each

input.input.

FunctionFunction

If one group contains m If one group contains m objects and a second objects and a second

group contains n objects, group contains n objects, and the groups have no and the groups have no objects in common, then objects in common, then

there are m + n total there are m + n total objects to choose from.objects to choose from.

Addition Counting Addition Counting PrinciplePrinciple