SOLUTION: Solve the following; don't forget to check for extraneous roots:
SQRT(x^2) = x
A.all real numbers
B.0
C.{0,1}
D.x<=0
E.none of the above
F.x>=0
*I answered A
Algebra ->
Rational-functions
-> SOLUTION: Solve the following; don't forget to check for extraneous roots:
SQRT(x^2) = x
A.all real numbers
B.0
C.{0,1}
D.x<=0
E.none of the above
F.x>=0
*I answered A
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Question 954423: Solve the following; don't forget to check for extraneous roots:
SQRT(x^2) = x
A.all real numbers
B.0
C.{0,1}
D.x<=0
E.none of the above
F.x>=0
*I answered A the first time but it was wrong. Please explain your answer. Thanks! Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! always yields a positive value.
When x becomes negative, the equality no longer holds.
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