Complex Numbers 8

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
1721 views | 2 ratings
Part of video series
Meets NCTM Standards:
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.