# Precalc

To which set(s) of numbers does the number sqrt -16 belong? Select all that apply.

real numbers
complex numbers***
rational numbers
imaginary numbers***
irrational numbers

I can only pick two, and that's what I think it is. Please check? Thanks

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2. 👎
3. 👁
1. correct

1. 👍
2. 👎

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