OpenStudy (anonymous):

Evaluate the square root of 225. Its 14, yes? No? Maybe so?

3 years ago
ganeshie8 (ganeshie8):

how did u get 14

3 years ago
ganeshie8 (ganeshie8):

225 = 25 x 9 = 5^2 x 3^2 so the square root is 5 x 3 = 15

3 years ago
OpenStudy (anonymous):

Thanks. :) I did this yesterday and forgot what I chose and I was just guessing it was 14. lol

3 years ago
ganeshie8 (ganeshie8):

lol u dont have calculator ?

3 years ago
ganeshie8 (ganeshie8):

http://www.wolframalpha.com/input/?i=sqrt%28225%29

3 years ago
OpenStudy (anonymous):

Oh cool thanks for the link. :) Hey how do you solve the square root of -64/169? I don't know how to solve it when its a negative.

3 years ago
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