High School · The Complex Number System

CCSS.MATH.CONTENT.HSN.CN.B.4

(+) Represent complex numbers on the complex plane in rectangular and polar form (including real and imaginary numbers), and explain why the rectangular and polar forms of a given complex number represent the same number.

Read this standard on the official Common Core site

Lessons that teach this standard

• The Complex Plane: Polar Form and Geometric Operations

  How to plot complex numbers, why rectangular and polar form name the same point, why multiplying multiplies lengths and adds angles, and how to find distances.