Addition and Subtraction of Polynomials Answers
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Which expression shows the sum of the polynomials with like terms grouped together?
A
Option
B
Option
C
Option
D
Option
2
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What is the difference of the polynomials?
A
Option
B
Option
C
Option
D
Option
3
What is the sum of the polynomials?
A
4m + 3B
4m – 24n + 3C
30m – 5D
30m – 24n – 54
What is the sum of the polynomials?
A
Option
B
Option
C
Option
D
Option
5
Marcus finds that . What error did Marcus make?
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.6
What is the additive inverse of the polynomial?
A
Option
B
Option
C
Option
D
Option
7
Lucia finds that . What error did Lucia make?
A
She found the difference instead of the sum.B
She combined the terms 3x2 and 7x2 incorrectly.C
She combined the terms 3x and –9x incorrectly.D
She did not combine all like terms.8
What is the additive inverse of the polynomial?–6x3 + 4x2 – 4x
A
6x3 + 4x2 + 4xB
6x3 – 4x2 + 4xC
–6x3 – 4x2 – 4xD
6x3 + 4x2 – 4x9
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)10
Samuel found the difference of the polynomials. = What value is missing from his solution?
A
8B
9C
21D
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