AnswersFL-1200330-Algebra 2 CRWriting Two-Variable Quadratic Inequalities

Addition and Subtraction of Polynomials Answers

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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)]
2
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What is the sum of the polynomials?

Question illustration
A
Option
Option A
B
Option
Option B
C
9x + 4
D
Option
Option D
3

Lucia finds that . What error did Lucia make?

Question illustration
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.
4

Marcus finds that . What error did Marcus make?

Question illustration
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.
5

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

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
6

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

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
7

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
8

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

Question illustration
A
8
B
9
C
21
D
22
9

What is the sum of the polynomials?

Question illustration
A
4m + 3
B
4m – 24n + 3
C
30m – 5
D
30m – 24n – 5
10

What is the difference of the polynomials?

Question illustration
A
mn – 11
B
mn + 3
C
Option
Option C
D
Option
Option D
11

What is the sum of the polynomials?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
12

What is the sum of the polynomials?(m + n + 3) + (m + n + 4)

A
–1
B
Option
Option B
C
2m + 2n + 7
D
Option
Option D
13

What is the sum of the polynomials?

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

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