AnswersAlgebra IUnit Test

Unit Test — Unit test Answers

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What is the sum of the polynomials?(7x3 – 4x2) + (2x3 – 4x2)

A
5x3
B
9x3
C
5x3 – 8x2
D
9x3 – 8x2
22
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Iliana multiplied 3p – 7 and 2p2 – 3p – 4. Her work is shown in the table.

Question illustration
A
6p3 + 23p2 + 9p + 28
B
6p3 – 23p2 – 9p + 28
C
6p3 – 23p2 + 9p + 28
D
6p3 + 23p2 – 9p + 28
23

What is the product?

Question illustration
A
18 x squared minus 45 x
Option A
B
negative 18 x squared minus 45 x
Option B
C
negative 18 x minus 45 x
Option C
D
18 x minus 45 x
Option D
24

Factor –8x3 – 2x2 – 12x – 3 by grouping. What is the resulting expression?

A
(2x2 – 3)(4x + 1)
B
(–2x2 – 3)(–4x + 1)
C
(2x2 – 3)(–4x + 1)
D
(–2x2 – 3)(4x + 1)
25

What is the product?

Question illustration
A
15 r squared + 8
Option A
B
15 r squared minus 8
Option B
C
15 r squared + 14 r minus 8
Option C
D
15 r squared minus 14 r minus 8
Option D

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