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Quadratic Intervals

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Quadratic Intervals
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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The table shows values for a function k at selected values of x. Which of the following claim and explanation statements best fit these data?

k is the best modeled by a linear function because the rate of change over consecutive equal-length input-value intervals is constant

k is the best modeled by a linear function because the rate of change over consecutive equal-length input-value intervals is linear

k is the best modeled by a quadratic function because the rate of change over consecutive equal-length input-value intervals is constant

k is the best modeled by a quadratic function because the rate of change over consecutive equal-length input-value intervals is linear. The rate of change is changing at a constant rate of -1

Tags

CCSS.HSF-LE.A.1B

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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On what interval is the graph of k concave down?

(type with no spaces)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Determine if the data in the table is best represented by a linear or quadratic function, and why.

LINEAR, because the rate of change over consecutive equal-length input-value intervals is constant.

QUADRATIC, because the rate of change over consecutive equal-length input-value intervals is constant.

LINEAR, because the change in the rates of change over consecutive equal-length input-value intervals is constant.

QUADRATIC, because the change in the rates of change over consecutive equal-length input-value intervals is constant.

Tags

CCSS.8.F.A.3

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Check ALL the intervals where this graph is decreasing.

(-∞, -1)

(-1, 0)

(0, 1)

(1, ∞)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Decreasing Interval

Increasing Interval

Constant Interval

Positive Interval

Negative Interval

Tags

CCSS.HSF-IF.C.7A

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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For what intervals of x is f(x) positive?

x≤-1

x≥-1

-3<x<1

-3≤x≤1

Tags

CCSS.HSF-IF.C.7A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the interval of increase for the following parabola?

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