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Mathematics 42 Online
OpenStudy (anonymous):

I am stuck on this... (√-4)(√-16) my answer choices are 8, -8, 8i, -8i

OpenStudy (anonymous):

8i :)

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

wait!!! I am awfully wrong! the answer is -8!! yes -8 is correct

OpenStudy (anonymous):

√-4) = 2i (√-16) = 4i 2i x 4i = 8(i^2) = -8

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