AnswersHCISD Algebra II A-CRRelations and Functions

Relations and Functions — Unit test Answers

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What is the completely factored form of x2 – 16xy + 64y2?

A
xy(x – 16 + 64y)
B
xy(x + 16 + 64y)
C
(x – 8y)(x – 8y)
D
(x + 8y)(x + 8y)
42
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What is the remainder when (x4 + 36) is divided by (x2 – 8)?

A
36
B
64
C
100
D
117
43

Which expression is a perfect cube?

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

A cube with side length is stacked on another cube with side length . What is the total volume of the cubes in factored form?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
45

The volume of a cylinder is given by the formula , where r is the radius of the cylinder and h is the height. Suppose a cylindrical can has radius (x + 8) and height (2x + 3). Which expression represents the volume of the can?

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

Use synthetic division to solve (x4 – 1) ÷ (x – 1). What is the quotient?

A
x cubed minus x squared + x minus 1
Option A
B
x3
C
x cubed + x squared + x + 1
Option C
D
x3 – 2
47

Which expression is a sum of cubes?

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

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