x < 0 ; square root of -x(abs value x)?
A) -X
B) -1
C) 1
D) X
E) square root X
Square Root and Absolute Value
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- awesomeusername
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X is negative.
SQRT(-X*abs(X))
Say X=-1
Then SQRT(-(-1)*abs(-1)) = SQRT(1*1) = 1.
Say X=-2
Then SQRT(-(-2)*abs(-2)) = SQRT(2*2) = 2
Thus -X seems to be the answer of choice.
SQRT(-X*abs(X))
Say X=-1
Then SQRT(-(-1)*abs(-1)) = SQRT(1*1) = 1.
Say X=-2
Then SQRT(-(-2)*abs(-2)) = SQRT(2*2) = 2
Thus -X seems to be the answer of choice.