Pre Algebra Vocabulary

Front 1

variable

Back 1

a letter that stands for an unknown amount

Front 2

numeric expression

Back 2

a combination only numbers and operations

Front 3

inequality

Back 3

two amounts shown to be not equal

Front 4

coefficient

Back 4

a number before a variable; the number is multiplied by the variable

Front 5

term

Back 5

numbers and/or variables separated by addition and/or subtraction

Front 6

algebraic expression

Back 6

combination of numbers and/or variables with operations

Front 7

equation

Back 7

an expression with an equal sign and an answer

Front 8

like terms

Back 8

terms with the same variable raised to the same power

Front 9

evaluate

Back 9

to find the value

Front 10

equivalent

Back 10

two amounts with the same value

Front 11

solve

Back 11

find the value of the variable

Front 12

simplify

Back 12

do all that can be done; combine like terms

Front 13

constant

Back 13

a number that cannot change

Front 14

algebraic equation

Back 14

an algebraic expression with an equal sign that needs to be solved

Front 15

algebraic equation

Back 15

3a + 2b = 24

Front 16

numeric expression

Back 16

2(3+4) - 5 * 3 + 4(2-6)

Front 17

algebraic expression

Back 17

2a + 3(b-c) - a + 4b

Front 18

relationship

Back 18

how two sets of data relate to each other

Front 19

relation

Back 19

a set of ordered pairs

Front 20

domain

Back 20

the x values in a set of ordered pairs

Front 21

range

Back 21

the y values in a relation

Front 22

function

Back 22

a relation in which each x value is paired with only one y value

Front 23

function

Back 23

{(3,4), (5,9), (2, 7), (8, 7)}

Front 24

not a function

Back 24

{(3,4), (5,9), (2, 7), (3, 6)}

Front 25

positive relationship

Back 25

both sets of data change in the same way; if one increases the other increases, or vice versa.

Front 26

negative relationship

Back 26

sets of data change in opposite ways; if one increases the other decreases, or vice versa.

Front 27

positive relationship

Back 27

the cost of a restaurant bill and the number of people having a meal

Front 28

negative relationship

Back 28

the sale of hats & gloves and the outside temperature

Front 29

no relationship

Back 29

the number of students in class and the number of tests given in a marking period

Front 30

scatter plot

Back 30

a graph showing the relationship between two sets of data