Addition and Subtraction of Polynomials

Question 1

What is the additive inverse of the polynomial?

Revolt · Accepted Answer

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Question 2

What is the additive inverse of the polynomial?–6x3 + 4x2 – 4x

Revolt · Accepted Answer

6x3 – 4x2 + 4x

Question 3

What is the sum of the polynomials?

Revolt · Accepted Answer

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Question 4

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

Revolt · Accepted Answer

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Question 5

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

Revolt · Accepted Answer

(4m – 5) + (–6m + 7 – 2n)

Question 6

Which expression can be used to find the difference of the polynomials?(10m – 6) – (7m – 4)

Revolt · Accepted Answer

[10m + (–7m)] + [(–6) + 4]

Question 7

Samuel found the difference of the polynomials. = What value is missing from his solution?

Revolt · Accepted Answer

8

Question 8

Marcus finds that . What error did Marcus make?

Revolt · Accepted Answer

He combined the terms –2y2 and 12y2 incorrectly.

Question 9

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

Revolt · Accepted Answer

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Question 10

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

Revolt · Accepted Answer

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Addition and Subtraction of Polynomials Answers