AnswersCommon Core Algebra I B-ICIntroduction to Quadratic Functions

Introduction to Quadratic Functions Answers

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1
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–2168

A
–2
B
1
C
6
D
8
2
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–6–324

A
–6
B
–3
C
2
D
4
3

–4–202

A
–4
B
–2
C
0
D
2
4

A =

A
0
B
24.5
C
39.2
D
44.1
5

B =

A
0
B
24.5
C
39.2
D
44.1
6

Which is a quadratic function having a leading coefficient of 3 and a constant term of –12?

A
f(x) = –12x2 + 3x + 1
B
f(x) = 3x2 + 11x – 12
C
f(x) = 12x2 + 3x + 3
D
f(x) = 3x – 12
7

Which graph is a parabola?

A
Option
B
Option
C
Option
D
Option
8

Which table represents a quadratic function?

A
Option
B
Option
C
Option
D
Option
9

Find the indicated function values.

A
–2
B
1
C
6
D
8
10

Evaluate the function g(x) = –2x2 + 3x – 5 for the input values –2, 0, and 3.

Answer:

-19

11

Find the indicated function values.

A
–6
B
–3
C
2
D
4
12

Evaluate the function g(x) = –2x2 + 3x – 5 for the input values –2, 0, and 3.

Answer:

-5

13

Find the indicated function values.

A
–4
B
–2
C
0
D
2
14

Evaluate the function g(x) = –2x2 + 3x – 5 for the input values –2, 0, and 3.

Answer:

-14

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