Question

A negative number squared is not a real number, right?

Answer 1

a negative number squared is a real number, example:
\[(-5)^2 = 25\]
The square root of a negative number isnt a real number. its imaginary (or complex).

Answer 2

Example:
\[\sqrt{-36} = 6i\]

Answer 3

That's what I was thinking the square root of a negative number...thanks