Inequalities and Equations

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

18+m=38

• m=0

• m=10

• m=20

• m=8

Match the graph with its inequality. hint: don't be tricked by the variable on the right.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Pick the correct letter for:
6 > x

• A

• B

• C

• D

Which graph matches the inequality 
¹/₂ > b?

• A

• B

• C

• D

144=12z

• z=20

• z=11

• z=12

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Jason worked 3 more hours than Keith. Jason worked 12. Which equation represents this situation. If k is the number of hours Keith worked?

• 12 + k = 3

• 12k = 3

• k + 3 = 12

• 3k = 12

For which equation is x = 1 a solution?

• 4 - x = 1

• 4x = 1

• x + 3 = 4

• x/4 = 1

A wall has an area of 40 square feet. Its height is 8 feet. Which equation could you use to find its width?

• 40 - w = 8

• 8w = 40

• 8 + w = 40

• w/8 = 40