# Module 1: Complex numbers and transformations

## Topic A: Lessons 1-6: Complex numbers review

### Practice

Powers of the imaginary unitGet 3 of 4 questions to level up!
Plot numbers on the complex planeGet 3 of 4 questions to level up!
Add & subtract complex numbersGet 3 of 4 questions to level up!
Graphically add & subtract complex numbers Get 3 of 4 questions to level up!
Multiply complex numbers (basic)Get 3 of 4 questions to level up!
Multiply complex numbersGet 3 of 4 questions to level up!

## Topic A: Lessons 7-8: Complex number division

### Practice

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

## Topic B: Lessons 9-12: 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!

## Topic B: Lesson 13: Trigonometry and 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 & rectangular forms of complex numbersGet 3 of 4 questions to level up!

## Topic B: Lessons 14-17: Multiplying and dividing complex numbers in polar form

### Practice

Multiply & divide complex numbers in polar formGet 3 of 4 questions to level up!

## Topic C: Lessons 18-19: Exploiting the connection to trigonometry

### Practice

Powers of complex numbersGet 3 of 4 questions to level up!