Addition and Subtraction of Polynomials Answers
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1
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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.2
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What is the missing polynomial? – (20 – 4x – 5x2) = 20 – 7x2
A
Option
B
Option
C
Option
D
Option
3
What is the sum of the polynomials?(m + n + 3) + (m + n + 4)
A
–1B
Option
C
2m + 2n + 7D
Option
4
Samuel found the difference of the polynomials. = What value is missing from his solution?
A
8B
9C
21D
225
Which expression can be used to find the sum of the polynomials?(9 – 3x2) + (–8x2 + 4x + 5)
A
Option
B
Option
C
Option
D
Option
6
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.7
What is the sum of the polynomials?
A
Option
B
Option
C
9x + 4D
Option
8
What is the sum of the polynomials?
A
Option
B
Option
C
Option
D
Option
9
What is the difference of the polynomials?
A
Option
B
Option
C
Option
D
Option
10
What is the difference of the polynomials?
A
mn – 11B
mn + 3C
Option
D
Option
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