Quadratic Applications Warmup

Quadratic Applications Warmup

9th Grade

15 Qs

quiz-placeholder

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Quadratic Applications Warmup

Quadratic Applications Warmup

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF-IF.C.7A

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How fast would you reach the water if you jump of a cliff using the formula:    h(t) = -16t2 + 8t + 24?

8

1

1.5

1/4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The function
f(t) = -5t2+20t + 60 
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 seconds

-2 seconds

6 seconds

9 seconds

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation s(t) = –16t2 + 64t + 80. What will be the object's maximum height? 

2 ft

80 ft

144 ft

64 ft

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A diver is standing on a platform above the pool. He jumps form the platform with an initi8al upward velocity of 8 ft/s. Use the formula h t = −16 t2 + 8t + 24, where h is his height above the water, t is the time, v is his starting upward velocity, and s is his starting height. How high is the platform?

.25 ft

24 ft

25 ft

8 ft

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The function f(t) = -5t2+20t + 60 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 seconds

-2 seconds

6 seconds

9 seconds

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the vertex of y=x2+4x+3?

(2,1)

(-2,1)

(0,0)

(-2,-1)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If each mark on the x-axis represents one second, when did the object reach the ground?

2.5 seconds

6 seconds

5.5 seconds

5 seconds

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