Question

true or false?
7- square root of -100=17

Answer 1

What number times itself is -100?

Answer 2

im aginary number 10i

Answer 3

false

Answer 4

yardbird84, remember that\[i=\sqrt{-1}.\]Therefore,\[\sqrt{-100}=\sqrt{(-1)(100)}=\sqrt{-1}\sqrt{100}=10i,\]as jimmyrep posted.