Addition and Subtraction of Polynomials Answers
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1
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What is the additive inverse of the polynomial?
A
mc007-2.jpg
B
mc007-3.jpg
C
mc007-4.jpg
D
mc007-5.jpg
2
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What is the sum of the polynomials?
A
mc010-2.jpg
B
mc010-3.jpg
C
mc010-4.jpg
D
mc010-5.jpg
3
Which expression can be used to find the sum of the polynomials?(9 – 3x2) + (–8x2 + 4x + 5)
A
mc002-1.jpg
B
mc002-2.jpg
C
mc002-3.jpg
D
mc002-4.jpg
4
What is the additive inverse of the polynomial?–6x3 + 4x2 – 4x
A
6x3 + 4x2 + 4xB
6x3 – 4x2 + 4xC
–6x3 – 4x2 – 4xD
6x3 + 4x2 – 4x5
Samuel found the difference of the polynomials. = What value is missing from his solution?
A
8B
9C
21D
226
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.7
What is the difference of the polynomials?
A
mn – 11B
mn + 3C
mc016-2.jpg
D
mc016-3.jpg
8
What is the sum of the polynomials?(m + n + 3) + (m + n + 4)
A
–1B
mc015-1.jpg
C
2m + 2n + 7D
mc015-2.jpg
9
What is the missing polynomial? – (20 – 4x – 5x2) = 20 – 7x2
A
mc024-2.jpg
B
mc024-3.jpg
C
mc024-4.jpg
D
mc024-5.jpg
10
Which expression shows the sum of the polynomials with like terms grouped together?
A
mc005-2.jpg
B
mc005-3.jpg
C
mc005-4.jpg
D
mc005-5.jpg
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