How do you solve sqrt(5x) = -5 and find any extraneous solutions?
1 Answer
Jan 25, 2017
This equation has no solutions.
Explanation:
-
If
t >= 0 thensqrt(t) >= 0 -
If
t < 0 thensqrt(t) = i sqrt(-t) is a pure imaginary number with positive imaginary part.
So
