Algebra Unit Review

What is the solution for the inequality
8 - 4x < 20

• x < -3
• x > -3
• x < 3
• x > 3

Tags

CCSS.7.EE.B.4B

The temperature in the south is 20 degrees and is decreasing by 3 degrees each hour. The temperature in the north is -2 degrees and is increasing by 8 degrees each hour. How long until the temperatures are the same? 

• 2 hours
• 3 hours
• 4 hours
• 5 hours

Tags

CCSS.8.EE.C.8C

Solve for x
4 - (3x + 7) = 9

• x = -2/3
• x = 4
• x = -4
• x= 2/3

Tags

CCSS.7.EE.B.4A

Solve for x
32 - x = -3(x - 4)

• x = -10
• x = -16
• x = -18
• x = -22

Mona is deciding between a subscription to Hulu or HBO. Hulu has a membership fee of $50 and costs $7.99 per month. HBO costs $15 per month. Write an inequality that represents how long HBO is cheaper than Hulu. 

• 15 < 50 + 7.99x
• 15 > 50x + 7.99
• 15x < 50 + 7.99x
• 15x > 50x + 7.99

Tags

CCSS.7.EE.B.4B

Simplify the following expression
(5x + 20) ÷ 5

• x + 4
• x + 20
• 5x + 4
• 5x + 20

Tags

CCSS.7.EE.A.1

Cassie has a budget of $100 to spend on pens and paper. The pens costs $10 per package and the paper costs $15 each. If she plans on buying 4 packages of pens, how much paper can she buy? 

• 6 packages
• 5 packages
• 3 packages
• 4 packages

Tags

CCSS.7.EE.B.4A

Which of the following is equivalent to
6x + 2y = 28

• y = 3x + 14
• y = -3x + 14
• y = 3x - 14
• y = -3x - 14

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Ms. Schuster uses the formula
.5(x - 200) + 40 to calculate her phone bill. Which statement describes the cost of her phone bill? 

• She is charged a base fee of $200
• She is charged $0.50 per text after 200 texts
• She is charged $0.50 per
• She pays a flat fee of $45

Tags

CCSS.HSF.LE.B.5

Simplify the expression

• 6x - 4
• -6x - 4
• 6x + 4
• -6x + 4

Tags

CCSS.6.EE.A.3