129 Answered Questions for the topic Square Roots
Square Roots
03/17/14
does square root of (x^2+y^2) equal to x+y?
I don't think so, because if you let x=1, y=1, square root of (x^2+y^2)=square root of 2, which doesn't equal to x+y
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Square Roots Fractions
02/14/14
Rationalise the denominator of the following expression, simplifying your answer as much as possible
5/6-9√2
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Square Roots
10/20/13
Assume all variavles are postive
√x/5 * √ x/20 = simplify your answer. type an exact answer, using radicals as needed. Use integers or factions for any numbers in the expressions.
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Square roots?
I can't figure these out and any help would be appreciated! Thank you!
1. 9(√6-2)
2. (6√2+8√3)(√2+9√3)
3. (√6+x)2
4. (3√4-6)(3√2+6)
5. (√x-3+5)2
6. 7y√20y+9√20y3
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