Khan Academy

Powers of the imaginary unit (K-A)

Powers of the imaginary unit-link (K-A)

Classifying complex numbers (K-A)

Simplifying roots of negative numbers (K-A)

Intro to complex numbers (K-A)

Intro to complex numbers-video (K-A)

Plotting numbers on the complex plane (K-A)

The complex plane-link (K-A)

Adding complex numbers (K-A)

Subtracting complex numbers (K-A)

Complex number operations review (K-A)

Multiplying complex numbers-link (K-A)

Multiplying complex numbers-video (K-A)

Distance & midpoint of complex numbers (K-A)

Distance & midpoint of complex numbers (K-A)

Absolute value & angle of complex numbers (K-A)

Absolute value of complex numbers (K-A)

Complex number absolute value & angle review (K-A)

Complex number conjugates (K-A)

Dividing complex numbers (K-A)

Dividing complex numbers review (K-A)

Intro to complex number conjugates (K-A)

Complex number forms review (K-A)

Polar & rectangular forms of complex numbers (K-A)

Complex number equations: x³=1 (K-A)