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Introduction to Complex Numbers
Videos, worksheets, games and acivities to help Algebra students learn what are complex numbers.
The Complex Plane
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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.
Complex Numbers (part 1)
Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.