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1

What is the solution to 5x−15=−25?

Answer
  • A

    x=−8

  • B

    x=−2

  • C

    x=2

  • D

    x=8

2

Which word problem can be solved using the equation 4x−15=113?

Answer
  • F

    Ralph bought 4 shirts for $15 and received a discount. He spent a total of $113. How much was the discount?

  • G

    Ralph earned $113 working 4 hours with a friend. The friend got paid $15 an hour. How much did Ralph get paid per hour?

  • H

    Ralph earned the same amount of money for 4 weeks. He spent $15 and has $113 left. How much did he earn each week?

  • J

    Ralph bought 4 pairs of pants and also spent $15 for a shirt. He spent a total of $113. How much did each pair of pants cost?

3

Ramond’s mother deposited $50 into his lunch account. Lunch costs $2.75 a day. When Ramond’s account balance gets below $10, a reminder is sent to add more money. Which inequality can model the situation?

Answer
  • A

    50 − 2.75d > 10

  • B

    10 + 2.75d > 50

  • C

    50 − 2.75d < 10

  • D

    10 + 2.75d < 50

4

Sarah is working to save money for a trip that will cost $225. She already has $35. Sarah earns $7.25 per hour at her job. What is the least number of whole hours she needs to work to save enough money for the trip?

Answer
  • F

    27

  • G

    26

  • H

    36

  • J

    35

5

What value of x makes the following equation true?


13x+2=−5

 

Answer
  • A

    −9

  • B

    −21

  • C

    21

  • D

    9

6

Kiera is cleaning her neighbor's garage. She is being paid a $25 flat fee and $8 per hour for each hour that she works. Kiera makes a total of $81. Which equation and total hours matches the scenario?

Answer
  • F

    8x+25=81   x=7

  • G

    8x+81=25   x=−7

  • H

    25x+8=81   x=2.92

  • J

    8x−25=81    x=13.25

7

The model below represents an inequality.

Which inequality could represent the model?

Answer
  • A

    3x+4≤−2

  • B

    3x−4≥−2

  • C

    −3x−4≥2

  • D

    −3x−4≤2

8

Which number line represents the solution to the inequality shown below?


−7x−13≤8


Answer
  • F

  • G

  • H

  • J

9

Which equation is true when the value of x is −8?


Answer
  • A

    −12x+17=13


  • B

    3x+20=44


  • C

    12x−6=−10


  • D

    −2x+11=−5

10

The inequality 1.2w−3.4<8.6 has an infinite number of solutions. Which list of values contains ONLY solutions to the inequality?

Answer
  • F

    20    21    22

  • G

    10    11    12

  • H

    8    9    10

  • J

    2   3    4

11

An inequality is shown below.


−12x−1<3

On your answer document:

A) Solve the inequality. Show your work.

B) Graph the solution on the number line.

C) Describe why your graph represents your solution.

Answer

12

An equation is shown below.


345 = 562.5 − 7.5x


On your answer document:

A) Write a real-world problem that corresponds to the given equation.

B) Solve the equation.

C) Explain the solution in terms of the problem situation. What does the solution mean in the context of your real-world problem?

 

Answer