Inverse Operations
Math Vocab
Distribution
Solving Equations
100

Name the inverse operation: +

-

100

A letter/symbol used to represent an unknown number

variable

100

Distribute: 2(x + 2)

2x + 4

100

4x=12

x=3

200

Name the inverse operation: -

+

200

A number with no variable

constant

200

Distribute: -2(x - 4)

-2x + 8

200

x/3=6

x=18

300

Name the inverse operation: x

/

300

The number multiplied or divided by a variable

coefficient

300

Distribute: x(x + 5)

x2(x + 3)

300

2x - 4=10

x=7

400

Name the inverse operation: /

x

400

A number statement, grouping together numbers, operations and variables. NEVER Has an equal sign. We evaluate and simplify these!

Expression

400

Distribute: -3x2(-4x + 10)

12x3 - 30x2

400

x/2 - 10=20

x=60

500

Name the inverse operation: x2

square root

500

A number sentence stating two expressions are equal. We solve these!

Equation

500

Distribute: 3x2(x2 - 3x) + 4(5x2 + 2x)

3x4 - 9x3 + 20x2 + 8x

500

x2 - 5=20

x=5

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