SOLUTION: Is radicalx^2=x an identity (true for all values of x)?

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Question 73086: Is radicalx^2=x an identity (true for all values of x)?
Answer by rmromero(383) About Me  (Show Source):
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Is radicalx^2=x an identity (true for all values of x)?



No. 



Let say we have x = -1



           sqrt+%28%28-1%29%5E2%29 = -1 ?

              sqrt+%281%29 = -1

                1 = -1  -------> Not true for 1 is not equal to -1



and so as the other negative numbers.