Addition and Subtraction of Polynomials Answers
10 verified answers1 views
1
Free Preview
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.2
Free Preview
What is the sum of the polynomials?
A
4m + 3B
4m – 24n + 3C
30m – 5D
30m – 24n – 53
What is the sum of the polynomials?
A
mc017-2.jpg
B
mc017-3.jpg
C
9x + 4D
mc017-4.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
What is the difference of the polynomials?
A
mc018-2.jpg
B
mc018-3.jpg
C
mc018-4.jpg
D
mc018-5.jpg
6
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
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)]8
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)9
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
10
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
Did you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this