SOLUTION: Simplify the following expression. Express in terms of i. show work please. sqrt -112

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Question 565594: Simplify the following expression. Express in terms of i. show work please.
sqrt -112

Answer by ankor@dixie-net.com(15649) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28-112%29
Factor to reveal a perfect square and -1
sqrt%28-1%2A16%2A7%29
we know the square root of -1 = i, and the square root of 16 = 4 so we have:
4i%2Asqrt%287%29
or some would write it
4sqrt%287%29%2Ai