Intro to the imaginary numbers (video)

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Learn about the imaginary unit, "i", a unique number defined as the square root of -1. It's a key part of complex numbers, which are in the form a + bi. The powers of "i" cycle through a set of values.

Complex Numbers - Introduction to Imaginary Numbers

The animation showing the complex roots of x 2 + 1. Image credit: Welch

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Simplifying Imaginary & Complex Numbers

Imaginary numbers - Introduction

Imaginary Numbers Are Just Regular Numbers

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This worksheet packet will help your students learn the meaning of imaginary numbers and how to simplify radicals with negative radicands.Click here

Imaginary Numbers 1 - Introduction and Simplifying (worksheet and lesson)

Intro to Complex Numbers / Imaginary Numbers (Notes, WS, Quiz & Answer Keys)