Chapter 2 Test

Question 1

Rational numbers

Answer 1

Fractions, whole, decimals, integers, and natural (counting) numbers

Question 2

additive identity property

Answer 2

a + 0 = a

Question 3

Additive identity

Answer 3

0

Question 4

multiplicative identity property

Answer 4

a * 1 = a

Question 5

Multiplicative identity

Answer 5

1

Question 6

Additive inverse property

Answer 6

Add the opposite to get 0

Question 7

Multiplicative property of zero

Answer 7

a * 0 = 0

Question 8

Distributive property

Answer 8

a(b + c) = ab + ac

Question 9

term

Answer 9

Parts of an expression that are added together (number or product of numbers and variables)

Question 10

Constant

Answer 10

Number (with NO variables)

Question 11

Like terms

Answer 11

Terms that have identical parts (identical variables)

Question 12

coefficient

Answer 12

Number that multiplies a variable (number in front of a variable)

Question 13

solution

Answer 13

Number that produces a true statement, number that solves an equation

Question 14

What is your goal when solving an equation?

Answer 14

Find the value of the variable

Question 15

Inverse operation

Answer 15

Opposite operation, used to undo each other (addition/subtraction and division/multiplication)

Question 16

Use _____________ ____________ to isolate variables when solving an equation.

Answer 16

Inverse operations

Question 17

commutative property of addition

Answer 17

a + b = b + a

Question 18

Associative property of addition

Answer 18

(a + b) + c = a + (b + c)

Question 19

Commutative property of multiplication

Answer 19

ab = ba

Question 20

Associative property of multiplication

Answer 20

(ab)c = a(bc)

Question 21

Equivalent numerical expressions

Answer 21

Have the same value