Instructional Video

Complex Conjugates, Imaginary and Complex Numbers, Precalculus

Curated and Reviewed by Lesson Planet

Sal discusses the usefulness of the conjugate of the complex number in this video. First, he shows how to add a complex number and its conjugate graphically and algebraically. Then, he shows how to simplify a rational expression with complex numbers in the denominator.

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Resource Details
Grade
10th - 12th
Subjects
Math
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Media Length
8:04
Audiences
For Teacher Use
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Duration
10 mins
Instructional Strategies
Flipped Classroom
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Accessibility
Closed Captions
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Year
2010
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
cc