Question

, ,

Answer 1

You can. It's just an imaginary number, as apposed to a real number.

Answer 2

Yeah as Joanna said, it would become an imaginary number which is i so the solution would be i square root 1.

Answer 3

yes.

This video will help a lot.
https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/i_precalc/v/imaginary-roots-of-negative-numbers

Answer 4

Anytime!

Answer 5

We are told that we need to look at car D, so x=110.

Answer 6

But if the estimate needs to be only 60% to be correct, then we need to multiply by .6

Answer 7

Make sense?

Answer 8

No worries :)