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Quadratic Functions

Authored by Carra Hudson

Mathematics

9th Grade

Used 2+ times

Quadratic Functions
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Does this graph in the back have maximum or minimum value?

maximum
minimum
neither
both

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the y intercept for the equation:
y = -8x2 + 3x - 7

(0, -8)
(0, 3)
(0, 7)
(0, -7)

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t2 +128t  
When will the object reach its maximum height?

4 ft
0 seconds
0 ft
4 seconds

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fireworks are fired from the roof of a building. The equation h = -16t2 +84t + 100 models the height, h, of the fireworks at any given time, t. How tall is the roof of the building?

2.625

6.25

100

210.25

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What is the Axis of Symmetry? select all that apply

half way between the zeros

the y-intercept

the x-value of the vertex

the y-value of the vertex

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Media Image

Which of the following statements are TRUE?

Select all that apply.

The "a" value is positive.

The y-intercept is positive.

It has two zeros.

The axis of symmetry is x = 1.

The vertex is at (0, 5).

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the zeros.

0 and 4
0 and -4
0
-4

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