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July 2, 2015

Homework Help: Math: Check Answers

Posted by Deborah on Tuesday, January 29, 2013 at 11:08am.

1. How can this product be simplified?
5x^2(2x 3)


5x^2 + 2x 3

10x^3 15x^2

5x^2

7x^3 15x^2

2. What is the GCF of the terms of 8c^3 + 12c^2 + 10c ?

2

4

2c

4c

3. How can the polynomial 6d^4 + 9d^3 12d^2 be factored?

3d^2(2d^2 + 3d 4)

3d^2(3d^2 + 6d 9)

3d(d^3 + 3d^2 4)

6d^2(d2 + 3d^3 - 6

4. There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle?

4x(5)

8x^(5 Pie sysmbol)

16x(25 + Pie Symbol)

16x2(25 Pie Symbol )

5. What is the simplified form of 3z^2(z + 2) 4(z2 + 1)?

7x^2 + 1

3z^3 4z^2 6z 4

3z^3 2z^2 4

3z^3 10z^2 4

Answers:

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

Thank You

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