Unit 4 Review

Solving Equations

100

The answer to this equation:

x+7=14

What is 7

200

The answer to this equation:

2x+1=13

What is 6

300

The answer to this equation:

5x-11=44

What is 11

400

The answer to this equation:

^x/₂=50

What is 100

500

The answer to this equation:

^x/₉=3

What is 27

Solving Inequalities

100

The answer to this inequality:

x+3>9

What is x>6

200

The answer to this inequality:

x-7<9

What is x<16

300

The answer to this inequality:

4x+1>17

What is x>4

400

The answer to this inequality:

-2x+19>57

What is x<-19

500

The answer to this inequality:

-8x-8<56

What is x>-8

How to solve

100

The first step to solve this equation:

2x+5=11

What is subtract the 5

200

The operation to get the variable by itself:

3x=9

What is division

300

The operation used in the first step to solve this equation:

7x-9=25

What is addition

400

The operation to get the variable by itself:

^x/₂=12

What is multiplication

500

The operation to get the variable by itself:

^x/₇=2

What is multiplication

Vocabulary

100

The distance around a circle

What is circumference

200

The name for a line that goes through a circle but DOES NOT cross through the middle

What is a chord

300

A line that goes all the way across a circle and DOES cross through the middle

What is a diameter

400

A line that goes from the outside of the circle to the center

What is a radius

500

Symbols such as greater than, greater than or equal to, less than, or less than or equal to

What is an inequality