Quadratic Function Form Word Problems

Quadratic Function Form Word Problems

9th Grade

15 Qs

quiz-placeholder

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Quadratic Function Form Word Problems

Quadratic Function Form Word Problems

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose that the equation V = 20.8x2 – 458.3x + 3,500 represents the value of a car from 1964 to 2002. What year did the car have the least value? (x = 0 in 1964) 

1965

1970

1975

1980

2.

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

3.

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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The profit from selling local ballet tickets depends on the ticket price.  Using past receipts, we find that the profit can be modeled by the function p= -15x2 +600x +60 , where x is the price of each ticket.  What is the maximum profit you can make from selling tickets?

$6060

$20

$600

$10,250

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A toy rocket is launched from the top of a 48-foot hill. The rocket's height, h(x), is modeled by the

equation h(x) = -16x2 + 32x +48 after x seconds. How high was the rocket at 2 seconds?

3

32

48

64

100

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t2 + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?

0.5 seconds

1 second

1.5 seconds

2 seconds

3 seconds

7.

MULTIPLE CHOICE QUESTION

1 min • 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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