Related Topics:

Common Core (The Complex Number System)

Common Core for Mathematics

Complex Number Worksheets

Videos and lessons to help High School students know there is a complex number *i* such that *i*^{2} = –1, and every complex number has the form *a + bi* with *a* and *b* real.

- I know what are imaginary numbers and complex numbers.
- I can write complex number in the form
*a + bi*with*a*and*b*real. - I can simplify square roots of negative numbers using i.
- I can rewrite arbitrary powers of i.

Common Core: HSN-CN.A.1

Imaginary Numbers Introduction

i^{2} = − 1

Solving Equations with i in the solution.

**What Are Complex Numbers?**

Imaginary Number: Square is a non-positive real number

Complex Number: Square is a non-negative real number

0 is both a complex and an imaginary number

Complex number has the form *a + bi* with *a* and *b* real

How to plot complex numbers on the Cartesian plane?

**Introduction to i and Imaginary Numbers**

Simplifying Square Roots of Negative Numbers Using i.

**Expressing Square Roots of Negative Numbers with i**

This video looks at simplifying square roots with negative numbers using the imaginary unit i. It includes 6 examples.

Calculating i Raised to Arbitrary Exponents.

**Rewriting Powers of ' i ' - Ex 1**

Complex number ' i ‘, raise it to some different powers, and simplify.

**Rewriting Powers of ' i ' - Ex 2**

i raise to a negative power.

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