Question

Square root of -36?
Are all negative square roots undefined?

Answer 1

no because there are imaginary numbers also

Answer 2

I haven't learned imaginary numbers!

Answer 3

not just all negative square roots, all EVEN RADICALS with a negative quantity are so-called imaginary \(\bf \large \sqrt[4]{-23}\qquad \sqrt[202]{-79}\qquad \sqrt[24]{-11}\)
and so on

Answer 4

http://www.mathsisfun.com/numbers/imaginary-numbers.html

Answer 5

check your book, it's surely has such chapter

Answer 6

I'm doing summer hw, I haven't started the course, so there's no book.

Answer 7

w0t?