Review Expressions, Equations, Inequalities

Which expression is equivalent to 3x + 5 + 7x + 2?

• 10x + 7

• 17x

• 17

• 15x + 2

Evaluate 3b + 4c if b = 9 and c = 3

• 27

• 12

• 15

• 39

Write an inequality for this situation:

You are driving, and the maximum speed limit is 55.

• s < 55

• s > 55

• s ≤ 55

• s ≥ 55

Pick the correct letter for:

6 > x

• A

• B

• C

• D

• x ≤ 13

• x ≥ 13

• x ≤ 7

• x ≥ 7

Solve:

3x + 4 = 16

• x = 4

• x = 3

• x = 2

• x = -4

Simplify: 4m + 12m - 5m -m

• 16m²

• 9m

• 11m

• 10m

Solve for x:

-4x = -64

• x = 16

• x = 8

• x = -16

• x = 4

Solve     9 + 3x = 10

• 2/3
• 1/3
• -1/3
• 4