# Introduction to imaginary numbers - Complex Numbers

### Introduction to imaginary numbers

Have you ever run into a situation where you want to find the square root of a negative number, but the calculator gives you nothing but a big error? Well, we will explore the meaning of this error from a different perspective. In this section, we will introduce the notion of imaginary numbers, and how to simplify them.

###### Basic concepts:

- Converting radicals to mixed radicals
- Product rule of exponents
- Power of a product rule

###### Related concepts:

- Imaginary zeros of polynomials