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Quadratic word prob quiz

Authored by Dalton Beaver

Mathematics

9th Grade

CCSS covered

Quadratic word prob quiz
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. What is the height of the cliff?

1.094 ft

174.141 ft

155 ft

4.393 ft

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. When does the rock hit the ground?

1.094 seconds

174.141 seconds

155 seconds

4.393 seconds

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. What is the maximum height the rock reaches ?

1.094 ft

174.141 ft

155 ft

4.393 ft

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. How long does it take the rock to reach its maximum height?

1.094 seconds

174.141 seconds

155 seconds

4.393 seconds

None of the above

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A diver is standing on a platform above the pool. He jumps from the platform with an initial upward velocity of 8 ft/s. Use the formula h (t) = −16 t2 + 8t + 24, where h is his height,in feet, above the water, t is the time, in seconds . How high is the platform?

.25 ft

24 ft

25 ft

8 ft

None of the above

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The function h(t) = -16t2+60t + 130 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?

4.2 seconds

4.9 seconds

5.3 seconds

5.8 seconds

6.1 seconds

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -8t2 + 16t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?

1 foot

5 feet

7 feet

8 feet

12 feet

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