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Quadratics Questions

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Quadratics Questions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the zeros of this quadratic.

b=4/5, b=3

b=4, b=-3

b=1/5, b=3

b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A ball is hit into the air with an initial velocity of 100 ft/s. Its height, h, after t seconds is given by the function

h = -16t2 + 100t + 5

How many seconds did it take for the ball to reach its maximum height?

3.654 seconds

2.451 seconds

161.25 seconds

3.125 seconds

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A ball is thrown into the air with an initial velocity of 100 ft/s. Its height, h, after t seconds is given by the function

h = -16t2 + 100t + 5.

What is the maximum height?

125.251 feet

161.25 feet

239.126 feet

115.25 feet

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What are the x- intercepts?

x= 0 and x= -4

x= 0 and x= 4

y= 0

x= 2

Tags

CCSS.HSF-IF.C.7A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

{4.15, -2.65}

{5, -3.6}

{3.6, -5}

No solution

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The height of an object thrown into the air can be modeled by the formula h(t) = -16t2 + 70t + 65, where h(t) is in feet after t seconds.

What is the height of the object after 5 seconds?

15 feet

45 feet

70 feet

71.56 feet

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve
2x2 + 17x + 21 = 0

x= -21/2, -17

x= 2/3, 16

x=-7, -3/2

x=15, -3/7

Tags

CCSS.HSA-REI.B.4B

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