AnswersAISD Algebra II A Credit Recovery 2026-2027Cumulative Exam

Addition and Subtraction of Polynomials Answers

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Which expression can be used to find the sum of the polynomials?(9 – 3x2) + (–8x2 + 4x + 5)

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B
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Option D
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What is the sum of the polynomials?

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A
4m + 3
B
4m – 24n + 3
C
30m – 5
D
30m – 24n – 5
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What is the difference of the polynomials?

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Which expression shows the sum of the polynomials with like terms grouped together?

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5

Marcus finds that . What error did Marcus make?

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A
He combined the terms 5x and –7x incorrectly.
B
He combined the terms 3x2 and 4x2 incorrectly.
C
He combined the terms –2y2 and 12y2 incorrectly.
D
He subtracted the polynomials instead of adding.
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What is the sum of the polynomials?

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Option A
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Which expression can be used to find the difference of the polynomials?(4m – 5) – (6m – 7 + 2n)

A
(4m – 5) + (6m + 7 + 2n)
B
(4m – 5) + (–6m + 7 + 2n)
C
(4m – 5) + (–6m – 7 – 2n)
D
(4m – 5) + (–6m + 7 – 2n)
8

What is the missing polynomial? – (20 – 4x – 5x2) = 20 – 7x2

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What is the additive inverse of the polynomial?

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What is the difference of the polynomials?

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A
mn – 11
B
mn + 3
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D
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Option D

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