Equations and Inequalities Review

2x + 5 = -17

• x = -6

• x = -12

• x = 11

• x = -11

Tags

CCSS.7.EE.B.4A

5x - 7 = 8

• x = 1/5

• x = 3

• x = -3

• x = 15

Tags

CCSS.7.EE.B.4A

A phone company charges a sign-up fee of $3.50, plus $x for every hour the phone is used. If Brian talked on the phone for 12 hours and paid a total of $75.50, which of the following equations can be used to find, x, the hourly rate of the phone plan?

• 3.50 + x = 75.50 
• 3.50 - x = 75.50 
• 75.50 + 12x = 3.50 
• 3.50 + 12x = 75.50

Tags

CCSS.HSA.CED.A.3

The model represents an equation.

What is the solution for this equation?

• x = 4

• x = -4

• x = 12

• x = 4/3

Tags

CCSS.7.EE.B.4A

Which situation can be represented by this equation?

250 + 65x = 575

• Mia is traveling to a location that is 575 miles away. She has already traveled 250 miles. What is x, the number of hours that Mia will need to travel at a speed of 65 miles per hour to reach the location?

• Mia is traveling to a location that is 575 miles away. She has already traveled 250 miles. What is x, the number of additional miles that Mia will need to travel?

• Mia is reading a book with 575 pages. She has already read 65 pages and will read 250 pages per day. What is x, the number of days that Mia will need to read to finish the book?

• Mia is reading a book with 575 pages. She has already read 315 pages. What is x, the number of pages that Mia has left to read to finish the book?

Tags

CCSS.7.EE.B.4A

• A

• B

• C

• D

Tags

CCSS.7.EE.B.4B

Which of the following represents the solution to the inequality shown below?

-6x - 8 > -32

• x < 4

• x > 4

Tags

CCSS.7.EE.B.4B

The greatest weight a truck can carry is 1,600 pounds. The truck is loaded with a piano that weight 400 pounds and other boxes that weight 50 pounds each. Which inequality represents all possible values of x , the number of boxes that can be loaded into the truck?

• 50x + 400 ≤ 1,600

• 50x + 400 ≥ 1,600

• 400x + 50 ≤ 1,600

• 400x + 50 ≥ 1,600

Tags

CCSS.7.EE.B.4B

The model represents an equation.

What is the solution for this equation?

• x = 2

• x = 4

• x = 8 

• x = 12

Tags

CCSS.7.EE.B.4A

•  -10

•  -13

•  5

•  0

Tags

CCSS.6.EE.B.8

CCSS.6.EE.B.5