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December 4, 2016

Homework Help: Math: Please check my answers

Posted by Deborah on Monday, January 28, 2013 at 2:58pm.

1. What is the degree of the monomial 3x2y3?

2
3
5
6

2. What is the simplified form of 8b3c2 + 4b3c2?

12bc
12b3c2
12b6c4
12b9c4

3. What is the simplified form of (4j2 + 6) + (2j2 – 3) ? (1 point)

(0) 6j2 – 3
(1) 6j2 + 3
(0) 6j2 + 9
(0) 4j4 + 3

4. What is the difference of the following polynomials?

(6x3 – 2x2 + 4)
– (2x3 + 4x2 – 5)
______________

(1 point)

4x3 – 2x2 – 1
8x3 + 6x2 – 1
4x3 – 2x2 + 1
4x3 – 6x2 + 9

5. What is the simplified form of (3x3 – 4x2 + 6x) – (5x3 + 2x2 – 3x) in standard form?

–3x3 – 2x2 + 3x
–2x3 – 6x2 – 3x
–2x3 – 6x2 + 9x
8x3 – 6x2 – 9x

Answers:

1.)C
2.)B
3.)B
4.)D
5.)C

Thank You.

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