# Complex numbers

## What are the complex numbers?

Practice
Parts of complex numbersGet 3 of 4 questions to level up!
Classify complex numbersGet 3 of 4 questions to level up!

## The complex plane

Practice
Plot numbers on the complex planeGet 3 of 4 questions to level up!

#### Quiz 1

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## Adding and subtracting complex numbers

Practice
Add & subtract complex numbersGet 3 of 4 questions to level up!
Graphically add & subtract complex numbers Get 3 of 4 questions to level up!

## Distance and midpoint of complex numbers

Practice
Distance of complex numbersGet 3 of 4 questions to level up!
Midpoint of complex numbersGet 3 of 4 questions to level up!

#### Quiz 2

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## Multiplying complex numbers

Practice
Multiply complex numbers (basic)Get 3 of 4 questions to level up!
Multiply complex numbersGet 3 of 4 questions to level up!

## Complex conjugates and dividing complex numbers

Practice
Complex number conjugatesGet 3 of 4 questions to level up!
Divide complex numbersGet 3 of 4 questions to level up!

## Identities with complex numbers

Practice
Factor polynomials: complex numbersGet 3 of 4 questions to level up!

#### Quiz 3

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## Absolute value and angle of complex numbers

Practice
Absolute value of complex numbersGet 3 of 4 questions to level up!
Angle of complex numbersGet 3 of 4 questions to level up!
Complex numbers from absolute value & angleGet 3 of 4 questions to level up!

## Polar form of complex numbers

Practice
Polar & rectangular forms of complex numbersGet 3 of 4 questions to level up!

#### Quiz 4

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## Multiplying and dividing complex numbers in polar form

#### Quiz 5

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Up next for you:

#### Unit test

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