Subjects /AP U.S. History /Assignments /

7th Unit 5 Section B Checkpoint

Question 1

Multiple choice

Select the correct answer.

  • 40

  • -40

  • 0.4

  • -0.4

Question 2

Multiple choice

Select the correct answer.

  • -55

  • 55

  • -16

  • 6

Question 3

Multiple choice

Select the correct answer.

  • -0.72

  • 0.72

  • -7.2

  • 7.2

Question 4

Multiple choice

Select the correct answer.

  • -5

  • 5

  • -80

  • -24

Question 5

Multiple choice

Select the correct answer. It must be in the most simplified form.

  • -1/4

  • 1/4

  • -9/4

  • 9/4

Question 6

Short answer

One train is traveling north at 10 meters per second. On a parallel track, another train is traveling south at 7 meters per second.

How could we use signed numbers to represent this situation?

Where was each train engine 5 seconds before they passed each other?


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