Complex Numbers 8

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
1736 views | 2 ratings
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson on complex numbers, various examples are provided to practice simplifying with complex numbers. The lesson covers topics such as simplifying square roots of negative numbers, adding, subtracting, multiplying, and dividing by complex numbers, as well as simplifying powers of i. By providing mixed practice problems, the lesson aims to help learners feel more comfortable with complex numbers and build their skills in these areas.

Lesson Description:

Summary and review of simplifying square roots of negative numbers and complex number, adding, subtracting, multiplying, dividing by complex numbers, and simplifying powers of i. Several examples are provided

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Questions answered by this video:
  • How do you add, subtract, multiply, divide, and simplify square roots of negative numbers and complex numbers?
  • How do you add -3*sqrt(-20) + 5i*sqrt(-18)?
  • How do you multiply 5*sqrt(-3)*2*sqrt(-6)?
  • How do you divide sqrt(45)/sqrt(-8)?
  • How do you subtract (8 - sqrt(2)*i) - (6 - 3*sqrt(2)*i)?
  • How do you multiply (3*sqrt(2) - 4i)(3*sqrt(2) + 4i)?
  • How do you square (4 - sqrt(5)*i)?
  • How do you divide 3/(6 + 2i)?
  • What does i^39 equal?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video is a review of all of the topics covered in the past 7 complex number videos. All concepts and skills learned are re-explained and discussed as 8 different complex number problems are simplified. This is a great review of complex number concepts.