AnswersS1S Algebra 1B E3440 - AGUnit Test

Unit Test Answers

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1
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Which is a quadratic function?

A
f(x) = 2x + x + 3
B
f(x) = 0x2 – 4x + 7
C
f(x) = 5x2 – 4x + 5
D
f(x) = 3x3 + 2x + 2
2
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Question text not available

Answer:

-5

3

Question text not available

Answer:

6

4

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

Answer:

1

5

Question text not available

A
0
B
0.5
C
5
D
12.5
6

Question text not available

A
–2
B
0
C
3
D
4
7

Question text not available

Answer:

78863

8

Which table represents a quadratic function?

A
[Image: A 2-column table with 5 rows. The first column is ...]
Option A
B
[Image: A 2-column table with 5 rows. The first column is ...]
Option B
C
[Image: A 2-column table with 5 rows. The first column is ...]
Option C
D
[Image: A 2-column table with 5 rows. The first column is ...]
Option D
9

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

A
−13
B
−1
C
1
D
23
10

Question text not available

A
–2
B
–1/2
C
1/2
D
2
11

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

A
−22
B
–4
C
2
D
32
12

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

A
–3
B
one-third
Option B
C
one-third
Option C
D
3
13

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

Question illustration
A
[Image: On a coordinate plane, solid circles appear on a s...]
Option A
B
[Image: On coordinate plane, a parabola opens up. Solid ci...]
Option B
C
[Image: On a coordinate plane, solid circles appear on a s...]
Option C
D
[Image: On a coordinate plane, a curved line opens up and ...]
Option D

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Unit Test Answers — S1S Algebra 1B E3440 - AG