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Modeling With Quadratic Functions

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Used 1+ times

Modeling With Quadratic Functions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation, in standard form, of a parabola that models the values in the table?

y = 2x2 + 6x - 4

y = -4x2 - 6x + 2

y = 4x2 + 6x - 2

y = 6x2 + 4x - 2

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t2 + 8t + 24

When would you reach 16 feet above the water?

8 seconds

1 second

1/2 second

1/4 second

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function. Which function best models the data?

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

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