SOLUTION: I am having a problem solving this problem: Is the square root of x^2 =x an identity (true for all values of x)? Thanks for your time.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am having a problem solving this problem: Is the square root of x^2 =x an identity (true for all values of x)? Thanks for your time.      Log On


   

Question 51869: I am having a problem solving this problem:
Is the square root of x^2 =x an identity (true for all values of x)?
Thanks for your time.
Answer by THANApHD(104) About Me  (Show Source):
You can put this solution on YOUR website!
Not for only the positive x s but also negative
U see If u multiply x*x = x^2
but also (-x)*(-x) also equals to x^2
So squareroot that is written like x^(1/2)
So square root of X^2 is equal to both (-x) and x(positive)