Monday

October 20, 2014

October 20, 2014

Posted by **Jim** on Monday, September 17, 2007 at 11:09pm.

1. √12

I got 2√3

2. √9a^3

I got 3a

3. √8 * √2

I got 4

4.3√50

I got 15√2

5. √32

I got 4√2

6. √18a3 (all together)

I don't know how to do this one

7. 3√12b^2 (all together)

I got 6b√3

8. 4/√2

I got 2√2 (these confuse me the most)

9. √10/√2

I got √20/2

10. 2√3/2 (two square root three over two together)

I don't know how to do this one either

11. 3√3 - √27

Is it √3?

12. 2√50 + 3√32

I don't know how to do this one.

It would mean a lot if someone could help me. I'm not a bad student but i hate math. If i could understand it i could probably like it more.

- Math -
**drwls**, Tuesday, September 18, 2007 at 12:39amIn many of your questions, I can't tell how much is supposed to be under the sign, so I cannot answer them with confidence.

The following are correct: 1,3,4,5,8

9: 10/2 = 5*2 /2 = 5

10. 2 sqrt (3/2) = (2 /sqrt 2)*sqrt 3 = sqrt 2 * sqrt 3 = sqrt 6

11 No. It is 0

12. 2 sqrt 50 + 3 sqrt 32

= 2 sqrt (25*2) + 3 sqrt (16*2)

10 sqrt 2 + 12 sqrt 2 = 22 sqrt 2

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