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Quadratic in Context

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Quadratic in Context
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10 questions

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1.

MATH RESPONSE QUESTION

1 min • 1 pt

The height of a water balloon that is launched into the air is given by h(t) = -5x2+20x+25. When will the balloon explode on the ground?

Mathematical Equivalence

ON

2.

MATH RESPONSE QUESTION

1 min • 1 pt

The height of a water balloon that is launched into the air is given by h(t) = -5t2 + 20t + 25. From what height was the balloon launched?

Mathematical Equivalence

ON

3.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

This parabola has (a)   zeros. 

3

2

0

1

Tags

CCSS.HSF-IF.C.7A

4.

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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do we call the highest or lowest point of a quadratic?

parabola

vertex

graph

point

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph below describes a ball that was kicked. Which of the following is a true statement describing the graph?

The ball was kicked from 500 centimeters from the ground and it traveled for 4 seconds.

The ball was kicked from the ground and it was in the air for 4 seconds.

The ball had a maximum height of 2000 centimeters and it was in the air for a total of 2 seconds.

The ball had a maximum height of 1000 centimeters and it was in the air for 4 seconds.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What Key Feature are you looking for if the question is: This can be modeled with the function h(t) = -16t2 + 96t. When does the rocket land?

x-intercept

y -intercept

vertex

axis of symmetry

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