SOLUTION: I don't understand this question. Is {{{sqrt(x^2)=x}}} an identity (true for all values of x)? Explain your answer.

SOLUTION: I don't understand this question. Is {{{sqrt(x^2)=x}}} an identity (true for all values of x)? Explain your answer.

Algebra.Com

Question 63812: I don't understand this question.
Is an identity (true for all values of x)? Explain your answer.
Answer by sarahschober(35) (Show Source): You can put this solution on YOUR website!
does not necessarily equal x.
The equality holds for non-negative x, but when x < 0,
is positive by definition, and thus
Therefore, = the absolute value of x.
RELATED QUESTIONS
Is sqrt (x^2) = x an identity (true for all values of x)? Explain your... (answered by stanbon)

Is sqrt of x^2 an identity (true for all values of x?) explain your... (answered by rmromero)

Is sqrt x^2=x an identity (true for all values of x)? Answer: Explain your answer... (answered by jim_thompson5910)

Need help understand these. 2) Is ( square root of x)^2=x an identity (true for all... (answered by psbhowmick)

Need Help with this problem. Due tonight and don't understand it. 2)Is (sqrt x)^2 an... (answered by stanbon)

Is (SQRTofX)^2=X an identity (true for all nonnegative values of x)? Answer: Explain... (answered by jim_thompson5910)

is sqrtx^2 an identity (true for all values of x?) explain your... (answered by rmromero)

2) Is sqrt x^2 = x an identity (true for all values of x)? Explain answer... (answered by venugopalramana)

2) Is √x^2 = x an identity (true for all values of x)? Answer: Explain... (answered by pradhyumna.kumar@gmail.com)