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Copy of OPS Math 8 Topic 2B Summative Assessment (8/9/2024)

Posljednje ažuriranje almost 2 years ago

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8.D.2.d

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8.A.2.b

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8.A.2.c

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8.A.2.c

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8.A.2.c

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8.A.2.b

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8.D.2.d

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Pitanje 1

1.

Identify the graph that represents a proportional relationship.

A

B

C

D

8.A.2.b

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Pitanje 2

2.

Explain how you know.

8.A.2.b

Pitanje 3

3.

(Level 2) The line models the height of a glider, in feet, over x hours. Identify the y-intercept of the graph.

Pitanje 4

4.

(Level 2) Identify all the relationships that represent a constant rate of change.

A

B

C

D

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Pitanje 5

5.

Find the rate of change in height of Plant 1.

8.A.2.b

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Pitanje 6

6.

Find the rate of change in height of Plant 2.

8.A.2.b

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Pitanje 7

7.

Which plant grows at the faster rate?

8.A.2.b

Pitanje 8

8.

(Level 3) A public parking garage charges $3 per hour to park. Use the grid in the workspace to graph the line relating parking costs to time in hours.

Pitanje 9

9.

(Level 3) Find the slope of the line for Train B and explain what it means.

1

Pitanje 10

10.

Draw a line in the workspace to show the relationship between the number of days, x, and the total amount in his account, y.

8.D.2.d

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Pitanje 11

11.

What is the y-intercept of the graph and what does it represent?

8.D.2.d

Pitanje 12

12.

(Level 3) The graph shows the volume of water in a sink x minutes after the faucet is turned on. Conner says the graph shows that water is flowing at a rate of 2 gallons per minute. Is he correct? Explain.

Pitanje 13

13.

(Level 4) Graph the following equation on the coordinate plane in the workspace.

Pitanje 14

14.

(Level 4) Use the graph below to write an equation and describe in words the cost of parking in the parking garage.