AnswersINMT3 Integrated Math 3 Sem 1 26-27Addition and Subtraction of Polynomials

Addition and Subtraction of Polynomials Answers

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1
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What is the sum of the polynomials?

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Option
Option A
B
Option
Option B
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Option
Option C
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Option
Option D
2
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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
3

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

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Option A
B
Option
Option B
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Option C
D
Option
Option D
4

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

A
[10m + (–7m)] + [(–6) + 4]
B
(10m + 7m) + [(–6) + (–4)]
C
[(–10m) + (–7m)] + (6 + 4)
D
[10m + (–7m)] + [6 + (–4)]
5

What is the difference of the polynomials?

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A
mn – 11
B
mn + 3
C
Option
Option C
D
Option
Option D
6

Lucia finds that . What error did Lucia make?

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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

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.
8

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

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A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

What is the difference of the polynomials?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
10

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)

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