# Complex numbers

# Unlock your personalized study plan

Take Quiz 1 to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

What are the imaginary numbers?What are the complex numbers?Quiz 1The complex planeAdding and subtracting complex numbersQuiz 2Multiplying complex numbersComplex conjugates and dividing complex numbersQuiz 3Absolute value and angle of complex numbersDistance and midpoint of complex numbersQuiz 4Polar form of complex numbersMultiplying and dividing complex numbers in polar formChallenging complex number problemsUnit testPractice

Quizzes

Unit test

Identify your areas for growth in these lessons:

Identify your areas for growth in these lessons:

Learn

Identify your areas for growth in these lessons:

Learn

Practice

Absolute value of complex numbers

4 questions

Practice

Angle of complex numbers

4 questions

Practice

Complex numbers from absolute value & angle

4 questions

Practice

Practice

Distance of complex numbers

4 questions

Practice

Midpoint of complex numbers

4 questions

Practice

Identify your areas for growth in these lessons:

Learn

Practice

Multiply & divide complex numbers in polar form

4 questions

Practice

Powers of complex numbers

4 questions

Practice

Test your understanding of

**Complex numbers**with these 15 questions.About this unit

Use your imagination and complexity (?) and dive into the world of complex numbers. Add, subtract, multiply, & divide complex numbers. Plot them on the complex plane and convert between rectangular and polar forms.