Introduction to Quadratic Functions

Question 1

Which is a quadratic function?

Revolt · Accepted Answer

C: f(x) = 5x2 – 4x + 5

Question 2

Which table represents a quadratic function?

Revolt · Accepted Answer

C: [Image: A 2-column table with 5 rows. The first column is ...]

Question 3

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

Revolt · Accepted Answer

D: 23

Question 4

✔ –2–1/21/22

Revolt · Accepted Answer

A: ✔ –2

Question 5

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

Revolt · Accepted Answer

B: –4

Question 6

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

Revolt · Accepted Answer

D: 3

Question 7

Which graph has a rate of change equal to in the interval between 0 and 3 on the x-axis?

Revolt · Accepted Answer

C: [Image: On a coordinate plane, solid circles appear on a s...]

Question 8

Consider the quadratic function f(x) = x2 – 5x + 6.

Revolt · Accepted Answer

: 78842; : -5; : 6

Question 9

Consider the quadratic function f(x) = x2 – 5x + 6.

Revolt · Accepted Answer

: 1; : -5; : 6

Question 10

Question 10

Revolt · Accepted Answer

-5

Introduction to Quadratic Functions Answers