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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(3a2 – 5ab + b2) + (–3a2 + 2b2 + 8ab)Which of the following shows the sum of the polynomials rewritten with like terms grouped together?

A
[3a2 + (–3a2)] + (–5ab + 8ab) + (b2 + 2b2)
B
[3a2 + (–3a2)] + (–5ab + 2b2) + (b2 + 8ab)
C
[3a2 + 3a2] + (5ab + 8ab) + (b2 + 2b2)
D
[3a2 + 3a2] + (5ab + 2b2) + (b2 + 8ab)
2
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Use your result from the previous task to find the sum.

A
6ab2
B
3ab + 3b2
C
-6a2 + 3ab + 3b2
D
-6a2 - 13ab + 3b2
4

Which equivalent expression would you set up to verify the associative property of addition for(3x + 4) + ((5x2 – 1) + (2x + 6))?

A
(3x + 4) + (5x2 – 1)
B
(5x2 – 1) + ((3x + 4) + (2x + 6))
C
((3x + 4) + (5x2 – 1)) + (2x + 6)
D
(3x + 4) + (5x2 – 1) + (2x + 6)

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