Introduction to Quadratic Functions

Question 1

Which is a quadratic function?

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C: f(x) = 5x2 – 4x + 5

Question 2

0X 0.55✔ 12.5

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D: 12.5

Question 3

Find f(–2) for the function f(x) = 3x2 – 2x + 7.

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D: 23

Question 4

✔ –2–1/21/2X 2

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A: –2

Question 5

Evaluate the function f(x) = –2x2 – 3x + 5 for the input value –3.

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B: –4

Question 6

Which is the rate of change for the interval between 2 and 6 on the x-axis?

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D: 3

Question 7

Consider the quadratic function f(x) = x2 – 5x + 6. What are the values of the coefficients and constant in the function? a = b = c =

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Part 1: 1; Part 2: -5; Part 3: 6

Question 8

–203✔ 4

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D: 4

Question 9

Question 9

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78863

Introduction to Quadratic Functions Answers