AnswersSummer_Advanced AlgebraUnit Test

Unit Test — Unit test Answers

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Randy divides (2x4 – 3x3 – 3x2 + 7x – 3) by (x2 – 2x + 1) as shown below. What error does Randy make?

Question illustration
A
He makes a subtraction error.
B
He makes an error writing the constant term in the quotient.
C
He makes an error choosing the x-term in the quotient.
D
He makes an error rewriting the problem in long division.
22
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The side length, s, of a cube is x – 2y. If V = s3, what is the volume of the cube?

A
x3 – 6x2y + 12xy2 – 8y3
B
x3 + 6x2y + 12xy2 + 8y3
C
3x3 – 6x2y + 12xy2 – 24y3
D
3x3 + 6x2y + 12xy2 + 24y3
23

If h(x) is the inverse of f(x), what is the value of h(f(x))?

A
0
B
1
C
x
D
f(x)
24

If a(x) = 3x + 1 and , what is the domain of ?

Question illustration
A
mc017-3.jpg
Option A
B
mc017-4.jpg
Option B
C
mc017-5.jpg
Option C
D
mc017-6.jpg
Option D
25

Which expression represents the sixth term in the binomial expansion of (5y + 3)10?

A
10C5(5y)5(3)5
B
10C6(5y)4(3)6
C
510C5(y)5(3)5
D
510C6(y)4(3)6

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