AnswersCR - Algebra 2 26-27 - S1Unit Test

Unit Test Answers

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1
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Which expressions are perfect cubes?

A
–1,000
B
27r21
C
343p
D
g3h30
E
–1
2
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Simplify

Question illustration
A
Option
B
Option
C
Option
3

Factor

Question illustration
A
Option
B
Option
C
Option
D
Option
4

Simplify

Question illustration
A
100
B
-100
C
-10
5

z3 + 8

A
(z + 2)(z2 – 2z + 4)
B
(z + 2)3
C
(z3 + 8)(z2 – 8z3 + 64)
D
(z + 8)(z2 – 8z + 64)
6

When using the identity for the difference of two cubes to factor a =

Question illustration
A
64x
B
4x²
C
64x²
D
4x
7

8z3 + 27

A
(2z + 3)(z2 – 6z + 9)
B
(2z + 3)3
C
(8z3 + 27)(8z2 – 16z3 + 729)
D
(2z + 3)(4z2 – 6z + 9)
8

b =

A
27
B
-27
C
3
D
-3

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