A few days ago
How do you find the square root of a number that doesn’t have a perfect square?(w/out a calculator)?
answers using square roots as well, not with decimals or anything. please~
Top 3 Answers
A few days ago
Favorite Answer
there are apparantly so many ways my eyes go goggle just looking at it.. heres the link
http://en.wikipedia.org/wiki/Methods_of_computing_square_roots
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A few days ago
example : sqrt 20
first you want to numbers that when you multiply give you twenty like four and five. you already know four is a perfect square root so you take it out as two and leave five inside the sqrt because that is not a perfect square. so your anwser would be. two sqrt of five.
Therefore if you have a sqrt of a number thats not perfect find a number that is a perfect root that can be multiplied by another and take that square root, bring it outside the root and keep the others in.
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A few days ago
there is a step by step procedure that almost equates to trial and error division. Too complicated to describe here. Look it up in your textbook.
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