Unit 2 Test Review (Expressions, Equations, Inequalities)

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17
• -13x² + 13
• -13x + 17
• -7x + 17

Tags

CCSS.7.EE.A.1

Simplify
-2x - 4(4x - 8)

• -16x - 2
• -18x + 32
• 18x - 32
• -16x + 2

Tags

CCSS.6.EE.A.3

-4x+1=21

• x=120
• x=5
• x=30
• x=-5

Tags

CCSS.7.EE.B.4A

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

-3x − 4 < 5

• x > -3
• x < -3
• x < (1 ⁄ 3)
• x > (1 ⁄ 3)

Tags

CCSS.7.EE.B.4B

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym. How many months has he been a member at the gym?

• 12
• 17
• 64.5
• 15

Tags

CCSS.7.EE.B.4A

Simplify the expression by combining like terms.

10 + 7.8k - 10.2k - k

• 6.6k

• 10 - 3.4k

• 10 - 2.4k - k

• 5.6k

Tags

CCSS.7.EE.A.1

Solve   -5t + 9 = 24

• -3
• 3
• 12

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

In the equation
4p = 20
 the variable, p, is being multiplied by 4. How should you show your work to isolate the variable and solve the equation?

• Multiply both sides by 4.
  The solution is x = 80.
• Subtract 4 from both sides. 
  The solution is p = 16.
• Add 4 to both sides. The solution is p = 24.
• Divide both sides by 4. The solution is p = 5.

Tags

CCSS.HSA.REI.A.1