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Introduction to Complex Numbers




 
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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.
Complex Numbers (part 1)
Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.



Complex Numbers (part 2)
Dividing complex numbers. Complex conjugates.
Complex Numbers - Graphing, Adding, Subtracting


 

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You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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