SOLUTION: How do I find a real or imaginary solution to w^2 = -225?

Question 269735: How do I find a real or imaginary solution to w^2 = -225?
Found 2 solutions by ankor@dixie-net.com, Alan3354:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
How do I find a real or imaginary solution to w^2 = -225?
:
Use i, the square root of -1
:
w^2 = -225?
w = +/-
w = +15i
and
w = -15i
:
You can prove this to yourself on a good a calc:
enter (-15i)^2 = -225
enter (15i)^2 = -225
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!

w = +/- 15i

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