Question

Is 2 a complex, nonreal complex, pure imaginary, or real?

Answer 1

Well, according to my old maths teacher `2` is a complex number!

Explanation:

`2` can be considered a complex number in the form `2+0i` and is called a Pure Real.

Answer 2

This should be taught in the first few days of Precalculus.

`2` is a real number. Specifically, it's a real, whole, positive integer.