document.write( "Question 71579: Is the square root of x^2 an identity (true for all values of x)? Explain. \n" ); document.write( "

Algebra.Com's Answer #51202 by mathman409(67) $\"\"$ $\"About$

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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. \n" ); document.write( "

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