document.write( "Question 73043: Is sqrt of x^2 an identity (true for all values of x?) explain your answer \n" ); document.write( "

Algebra.Com's Answer #52358 by rmromero(383) $\"\"$ $\"About$

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document.write( "Is radicalx^2=x an identity (true for all values of x)?\r
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document.write( "No. \r
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document.write( "Let say we have x = -1\r
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document.write( "            = -1 ?
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document.write( "               = -1
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document.write( "                1 = -1  -------> Not true for 1 is not equal to -1\r
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document.write( "and so as the other negative numbers.
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