Chapter 2 Vocab

Question 1

a term that has no variable

Answer 1

constant

Question 2

changing the order of the values you are adding does not change the sum

Answer 2

commutative property of addition

Question 3

the number that multiplies a variable

Answer 3

coefficient

Question 4

changing the grouping of the values you are multiplying does not change the product

Answer 4

associative property of multiplication

Question 5

have identical variables

Answer 5

like terms

Question 6

mathematical sentence with an equal sign

Answer 6

equation

Question 7

the number one

Answer 7

multiplicative identity

Question 8

the sum of any number and zero is the original number

Answer 8

identity property of addition

Question 9

a mathematical sentence with , or =/

- -

Answer 9

inequality

Question 10

a value that makes and equation true

Answer 10

solution of an equation

Question 11

number of the product or a number and variable(s)

Answer 11

term

Question 12

changing the order if the values you are multiplying does not change the product

Answer 12

commutative property of multiplication

Question 13

changing the grouping of the values you are adding does not change the sum

Answer 13

associative property of addition

Question 14

the number zero

Answer 14

additive identity

Question 15

an equation with one or more variables

Answer 15

open sentence

Question 16

the product of any number and 1 is the original number

Answer 16

identity property of multiplication

Question 17

multiply each value in the parentheses by the number outside of the parentheses

Answer 17

distributive property

Question 18

replacing it with an equivalent expression that has as few term as possible

Answer 18

simplify a variable expression

Question 19

the process of moving logically from given facts to a conclusion

Answer 19

deductive reasoning

Question 20

undo each other

Answer 20

inverse operations

Question 21

any number that makes an inequality true

Answer 21

solution of an inequality

Question 22

to prove or show to be right or reasonable

Answer 22

justify