Parabola Word Problems

Parabola Word Problems

9th Grade

15 Qs

quiz-placeholder

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Parabola Word Problems

Parabola Word Problems

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Macy threw a football at a rate of y = -2x2 + 4x + 4. After how many seconds will the football land on the ground?

0.732 seconds

0.643 seconds

1 second

2.732 seconds

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A tennis ball is hit upward with an initial velocity of 12 m/s. The height of the ball in meters after t seconds is given by the function h(t) = -2.45t^2 + 12t. What is the maximum height the tennis ball reaches?

The maximum height the tennis ball reaches is 10.5 meters.

The maximum height the tennis ball reaches is 16.2 meters.

The maximum height the tennis ball reaches is 8.9 meters.

The maximum height the tennis ball reaches is 14.7 meters.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A stone is thrown upward with an initial velocity of 18 m/s. The height of the stone in meters after t seconds is given by the function h(t) = -4.9t^2 + 18t. What is the maximum height the stone reaches?

16.45

12.5

14.2

20.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ashlyn threw a paper air plane out the window at a rate of

y = -2x2 + 4x + 34, where y is the height and x is the time in seconds. After how many seconds will the paper air plane be at its maximum height?

2 seconds

1 second

1.5 seconds

2.5 seconds

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kaylee threw her binder out of her car window (because binder quizzes give her anxiety) The rate of a binder flew at a rate of y = -x2 + 4x + 7. After how many seconds will the binder be at the maximum height?

2 seconds

1.5 seconds

4.3 seconds

2.5 seconds

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Maleigha threw a football at a rate of y = -2x2 + 4x + 4. After how many seconds will the football land on the ground?

0.732 seconds

0.643 seconds

1 second

2.732 seconds

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Breckel jumped off of a diving board at a rate of y = -3x2 + 6x + 4. x represents time in seconds and y represents the height in feet. After how many seconds will she land in the water?

1 second

2.582 seconds

7 seconds

1.452 seconds

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