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Quadratic Functions and Its Zeros

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Quadratic Functions and Its Zeros
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10 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

The function can be written as and as Which two statements are true?

the function has a zero at (-6,0)

the function has a zero at (-3,0)

the function has a zero at (6,0)

Tags

CCSS.HSF-IF.C.7A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Adriana, Kabren, and Iliana are working on a project to help Jared calculate the optimal path for a drone to fly across a park! The path is a beautiful curve described by the equation y=4x2-8x+9. Can you join their team and find the axis of symmetry for this flight path?

x=-8

x=1

x=-1

x=2

Tags

CCSS.HSF-IF.C.7A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image


For the function above, is the discriminant positive, negative, or zero?

Positive

Negative

Zero

Not Sure

Tags

A2.AREI.4

4.

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)

Tags

CCSS.HSF-IF.C.7A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the axis of symmetry for the following equation?
y=4x2-8x+9

x=-8

x=1

x=-1

x=2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If given the equation
y = 3(x + 5)2 - 4, what is the vertex of the parabola?

(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the range of this function?

(- ∞,+∞)

[0, +∞)

[-2, +∞)

[2, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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