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Functions (quadratic)

Authored by Wayground Content

Mathematics

9th - 12th Grade

Functions (quadratic)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball is thrown into the air with an initial velocity of 15 m/s. The height of the ball can be modeled by the equation h(t) = -2t^2 + 15t + 3, where h(t) represents the height of the ball at time t in seconds. How long does it take for the ball to reach its maximum height?

3.75

4.5

5.25

2.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

100 feet

64 feet

140 feet

88 feet

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A restaurant wants to increase the price of a milkshake that currently costs $6. The restaurant has an employee conduct an analysis to predict the effect of the increased price on the weekly profit from milkshake sales. Based on the data collected, the employee makes the following graph. 

What is the profit at the current price of a milkshake

$106

$100

$204

$250

$94

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t2 + 64t + 960.
What is the maximum height?

960 feet
1008 feet
1024 feet
1152 feet

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What best describes the vertex in this scenario?

The year with the highest concentration of residual CO2
The year with the least concentration of residual CO2
Residual concentration of CO2 is increasing
Residual concentration of CO2 is decreasing

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An object is thrown upward with an initial velocity of 35 meters per second. The object’s distance, d, above the ground at any time, t, can be represented by the equation (look at picture) . When will the object be 50 feet above the ground?

t = 1 sec and t = 0.4 sec

t = 2 sec and t = 5 sec

t = 2 sec and t = 10 sec

t = 5 sec and t = 10 sec

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

You are trying to dunk a basketball. You need to jump 2.5 feet in the air to dunk the ball. The height that your feet are above the ground is given by the function:
h(t) = -16t2 + 12t
Will you be able to dunk the basketball?

Yes
No
As long as I'm wearing Air Jordans

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