Question

Simplify:
√-1

Answer 1

i

Answer 2

its just i?

Answer 3

its imaginary

Answer 4

ok so basically, you cant take the square root of a negative number

because negative times negative = positive
and positive times positive = positive

so what mathematicians did is made the square root of -1 equal to "i"
an imaginary number

\[\sqrt{ -1} = i\]

Answer 5

yay for imaginary numbers

Answer 6

and no i am not making this up, despite my username

Answer 7

i