More Lessons for Grade 9

Math Worksheets

Videos, worksheets, games and activities to help Algebra students learn what are complex numbers and the complex plane.

How to plot complex numbers on the complex plane?

How to add, subtract, multiply and divide complex numbers?

The Complex Plane

Imaginary numbers arise frequently in mathematics, but in order to do much with them we need to know more about the complex plane and the rectangular form of complex numbers. The complex plane is a medium used to plot complex numbers in rectangular form, if we think as the real and imaginary parts of the number as a coordinate pair within the complex plane.

Introduction to complex numbers, Imaginary and complex numbers.

Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.

Dividing complex numbers. Complex conjugates.

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