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Quadratic Intervals

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Quadratic Intervals
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following represents the function is increasing?

x < -1 or x < 3

-1 < x < 3

x>1

x<1

Tags

CCSS.HSF-IF.C.7A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph of a quadratic function is shown. For what domain is is CONCAVE UP?

Tags

CCSS.HSF-IF.C.7A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

On what interval is the f(x) positive and increasing?

(-5, 0) U (2, ∞)

(-5, -3) U (2, ∞)

(-1, 0) U (2, ∞)

(-1, ∞)

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Use your graphing calculator to graph and determine ALL the correct answers.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Over what intervals is the average rate of change decreasing?

(-∞, 1)

(0, 2)

(-1, ∞)

(-∞, 2)

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

f(x) = 2x2 + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].

2

1/2

-2

-1/2

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What interval is f(x) < 0 ?

(1, 3)

(-∞, -2) U (-0.3, 2.2)

(-2, 1)

(-1, 1)

Tags

CCSS.HSF-IF.C.7A

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