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

Math: Check Answers - visoth, Tuesday, January 29, 2013 at 11:11am
you hvae math check answers on the title but you didnt even pick answers you jsut asking us to do your homework for you
Math: Check Answers - visoth, Tuesday, January 29, 2013 at 11:12am
im sorry i didnt see the bottom part i take that back
Math: Check Answers - visoth, Tuesday, January 29, 2013 at 11:14am
i didnt check number 4 but the others should be right
Math: Check Answers - Deborah, Tuesday, January 29, 2013 at 11:34am
Thank You.

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