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

Last updated almost 2 years ago

14 Nsɛmmisa

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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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1.

Identify the graph that represents a proportional relationship.

A

B

C

D

8.A.2.b

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2.

Explain how you know.

8.A.2.b

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3.

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

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4.

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

A

B

C

D

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5.

Find the rate of change in height of Plant 1.

8.A.2.b

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6.

Find the rate of change in height of Plant 2.

8.A.2.b

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7.

Which plant grows at the faster rate?

8.A.2.b

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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.

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9.

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

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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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11.

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

8.D.2.d

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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.

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13.

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

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14.

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