Test Inequalities and Equations

Which choice describes the step needed to isolate the variable?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

For which equation is x = 5 a solution?

• 2 + x = 3

• 3x = 15

• x - 7 = 12

Which is the solution to the equation below?

9 = n + 3

• 3

• 6

• 12

• 27

• 16

• 30

• 46

• 64

Which of the following number lines represents the inequality below?

x < 4

• 
• 
• 

What is the solution to the inequality below?

• x < 4

• x > 4

• 3x < 7

Demarcus has at least $8 more than his older sister. His older sister has $4. How much money does Demarcus have? Which of the following inequalities could be used to find how much money, m, Demarcus has?

Pick the correct inequality.

• A

• B

• C

• D

What inequality does the number line graph represent?

• x ≥ 3

• x > 3

• x < -3

• x ≤ 3

What inequality does the number line graph represent?

• x > 5

• x < −5

• x ≥ 5

• x ≥ −5