SOLUTION: Which of these radical expressions simplifies to x? A. (sqrtx)^2 B. sqrtx/x C. sqrtx^2 D. sqrt-x

Question 1127581: Which of these radical expressions simplifies to x?
A. (sqrtx)^2
B. sqrtx/x
C. sqrtx^2
D. sqrt-x
Found 2 solutions by MathLover1, greenestamps:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

A.
B.
C.
D.
so, A. and C.
Answer by greenestamps(13198) (Show Source): You can put this solution on YOUR website!

The answer from the other tutor is not right.

A. squaring and taking a square root are inverse operations

B.

C. this is equal to x only if x>0; it is -x for x<0

D. can't be simplified

So the answer is only A; C does NOT simplify to "x".
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