Algebra 2 Glossary Unit 1

Front 1

Integers

Back 1

The set of numbers consisting of whole numbers and their opposites.

Front 2

Natural Numbers

Back 2

Set of numbers consisting of 1 and any other number that can be formed by adding 1 to a member of the set.

Front 3

Whole Numbers

Back 3

Set Numbers consisting of naturals AND zero.

Front 4

Algebra

Back 4

A branch of mathematics that uses mathematical statements to describe relationships between certain quantities that vary.

Front 5

Associative

Back 5

The grouping of numbers does not affect their sum or product.
(a+b)+c=a+(b+c)

Front 6

Algebraic Expression

Back 6

A mathematical expression containing at least one variable.

Front 7

Rational Numbers

Back 7

Set of numbers consisting of any number that can be written a/b where a and b are integers (fractions.)

Front 8

Formula

Back 8

An algebraic sentence relating or comparing certain quantities.

Front 9

Commutative Property

Back 9

The order in which numbers are added or multiplied does not affect the sum / product.

Front 10

Irrational Numbers

Back 10

The set of numbers consisting of any number that is a non-terminating, non-repeating decimal

Front 11

Variable

Back 11

Symbol that takes the place of an unknown number.

Front 12

Absolute Value

Back 12

the distance that a given number is from 0 (zero) on the number line.

Front 13

Open Sentence

Back 13

a mathematical sentence, equation or inequality, that contains at least one variable

Front 14

relation:

Back 14

set of ordered pairs

Front 15

domain

Back 15

the set of first elements, x-coordinates, in a relation

Front 16

range:

Back 16

the set of second elements, y-coordinates, in a relation

Front 17

function:

Back 17

a relation in which each element of the domain maps to exactly one element of the range

Front 18

linear equation

Back 18

an equation containing 1 or 2 variables where no variable has an exponent other than 1

Front 19

slope

Back 19

the ratio of the change in vertical units to the change in horizontal units of any two points on a line (rise/run)

Front 20

parallel lines:

Back 20

two different lines on the same plane that have equal slopes

Front 21

perpendicular lines

Back 21

two different lines on the same plane whose slopes have a product of (-1) or whose slopes are opposite reciprocals of each other

Front 22

direct variation:

Back 22

a linear function with a y-intercept of zero and a slope that is not zero

Front 23

identity function

Back 23

a linear function, y=x, where each domain produces an identical range

Front 24

constant function:

Back 24

a horizontal linear function, y=b, where the range remains constant

Front 25

system of equations

Back 25

a collection of 2 or more equations containing the same set of variables

Front 26

binomial:

Back 26

a polynomial containing exactly two unlike terms

Front 27

coefficient:

Back 27

the numerical factor of a monomial

Front 28

constant:

Back 28

a monomial containing no variables

Front 29

like terms:

Back 29

two monomials that are exactly alike or differ only by their numerical coefficients

Front 30

Monomial:

Back 30

an expression that is a number, a variable, or the product of a number and one or more variables

Front 31

polynomial:

Back 31

a monomial or the sum of monomials

Front 32

trinomial:

Back 32

a polynomial containing exactly three unlike terms