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Algebra, Quadratic Applications

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Algebra, Quadratic Applications
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

(2,1)

(-2,1)

(0,0)

(-2,-1)

2.

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A soccer ball is kicked from the ground with an initial upward velocity of 90 feet per second. The equation h=-16t+ 90t gives the height h of the ball after t seconds.
How many seconds will it take the ball to hit the ground?

126.56 ft

5.625 sec

2.81 sec

0 ft

4.

MULTIPLE CHOICE QUESTION

1 min • 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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one are we looking for?

Darrell is trying to find out how many seconds it will take a golf ball to get to its highest point after being hit on the golf course.

x at vertex

y at vertex

positive zero

y-intercept

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is this formula?

This is the standard formula.

This is the quadratic formula.

This is the square root formula.

This is the Pythagorean formula

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the quadratic formula to solve 2x2 + 2x - 12.

-2, 3

2, 3

2, -3

-2, -3

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