HW Turn-in Topic 7 Lesson 1-2

Can rate be negative?

• Yes

• No

Can speed be negative?

• Yes

• No

• Sometimes

pg. 265 3a. Which of the graphs cannot be created by walking in front of a motion detector? Explain why.

• Graphs A and D are not possible because they require the walker to travel backwards in time. Graph C is not possible because the walker cannot be in many different places at a single point in time

• Graphs B and A are not possible because they require the walker to travel backwards in time. Graph C is not possible because the walker cannot be in many different places at a single point in time

• Graphs C and D are not possible because they require the walker to travel backwards in time. Graph B is not possible because the walker cannot be in many different places at a single point in time

pg. 265 3b. Which of the graphs can be created by walking in front of a motion detector? Explain how you would walk to produce the graphs.

• Graphs A, D, and E

• Graphs A, B, and C

• Graphs B, E, and F

pg. 266 4a. Where is Terrence at 4 seconds? How do you know?

• 4 feet from the motion detector

• 6 feet from the motion detector

• 1 foot away from the motion detector

pg. 266 4b. What is happening between 7 and 10 seconds?

• Terrence is moving very slowly

• Terrence is moving very quickly

• Terrence isn't moving

pg. 267 HW 1a. Terrence started at 2 feet and skated quickly away from the motion detector.

Which letter matches the graph?

• a

• b

• c

• d

• e

pg. 267 HW 1b. Terrence started at 2 feet and skated slowly away from the motion detector.

Which letter matches the graph?

• a

• b

• c

• d

• e

pg. 267 HW 1c. Terrence started at 5 feet and skated quickly away from the motion detector.

Which letter matches the graph?

• a

• b

• c

• d

• e

pg. 267 HW 1d. Terrence started at 2 feet and paused to catch his breath.

Which letter matches the graph?

• a

• b

• c

• d

• e