Applications of Quadratics 9th Grade Quiz

Applications of Quadratics

Assessment

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Robert Martinez

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Mathematics

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9th Grade

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62 plays

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Medium

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14 questions

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1.

MULTIPLE CHOICE

1 min • 1 pt

The graph of a quadratic function is called a

2.

MULTIPLE CHOICE

30 sec • 1 pt

An object flies through the air and follows a parabolic path. What does the y-axis represent?

3.

MULTIPLE CHOICE

30 sec • 1 pt

An object flies through the air and follows a parabolic path. Which of these typically represents the x-axis?

4.

MULTIPLE CHOICE

30 sec • 1 pt

What is the initial (starting) height of an object following this path? h(t) = -16t² +20t + 6

5.

MULTIPLE CHOICE

30 sec • 1 pt

If path of a projectile is modeled by:
h(t) = -16t² + 20t +6, what is the height after 1 second?

6.

MULTIPLE CHOICE

2 mins • 1 pt

Identify the 'a' value: y = 16x² -8x -24

7.

MULTIPLE CHOICE

2 mins • 1 pt

Identify the 'b' value: y = 16x² -8x -24

8.

MULTIPLE CHOICE

2 mins • 1 pt

Identify the 'c' value: y = 16x² -8x -24

9.

MULTIPLE CHOICE

5 mins • 1 pt

A soccer ball is kicked from the ground with an initial upward velocity of 90 feet per second. The equation h=-16t²+ 90t gives the height h of the ball after t seconds.
What is the maximum height of the ball?

10.

MULTIPLE CHOICE

15 mins • 1 pt

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?