AnswersFL-1200330-Algebra 2 Sem 1 - FlexCumulative Exam

Cumulative Exam — Cumulative exam Answers

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The graph below shows the number of houses sold over x days. What is the average rate of change from day 2 to day 10?

Question illustration
A
Negative four-thirds
Option A
B
Negative three-fourths
Option B
C
6
D
8
42
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Sandra graphed the system of equations that can be used to solve . What are the roots of the polynomial equation?

Question illustration
A
–12, 12
B
–4, 3
C
–3, 4
D
–1, 1
43

Which of the following graphs could be the graph of the function f(x) = x3 + 8?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
44

The graph of f(x) = 4x3 – 13x2 + 9x + 2 is shown below. How many roots of f(x) are rational numbers?

Question illustration
A
0
B
1
C
2
D
3
45

What is the factored form of ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
46

If f(x) is an odd function, which statement about the graph of f(x) must be true?

A
It has rotational symmetry about the origin.
B
It has line symmetry about the line y = –x.
C
It has line symmetry about the y-axis.
D
It has line symmetry about the x-axis.
47

Which expression is a perfect cube?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
48

Shayna enlarged a square photo by adding 10 inches to each side so it could be seen on a large poster. The area of the enlarged photo is 256 square inches. In the equation (x + 10)2 = 256, x represents the side measure of the original square photo.

A
4 inches by 4 inches
B
6 inches by 6 inches
C
10 inches by 10 inches
D
12 inches by 12 inches
49

What is the solution to the equation 7(a – 10) = 13 – 2(2a + 3)?

A
a =
Option A
B
a = 7
C
a =
Option C
D
a = 621
50

Which property is demonstrated below?

Question illustration
A
associative property of multiplication
B
inverse property of multiplication
C
identity property of multiplication
D
commutative property of multiplication

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