SOLUTION: Is the square root of x^2 an identity (true for all values of x)? Explain.

SOLUTION: Is the square root of x^2 an identity (true for all values of x)? Explain.

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Question 71579: Is the square root of x^2 an identity (true for all values of x)? Explain.
Answer by mathman409(67) (Show Source): You can put this solution on YOUR website!
Yes, because squaring something is the exact opposite operation of square rooting, and even if it was a negative, doing squaring first, it will be rational.
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