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Complex Numbers in College Algebra: Definitions, Operations, and Applications

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The Imaginary Unit

  • Square Roots of Negative Numbers
    05:02

Powers of i

  • Higher Powers of i
    05:10
  • Powers of i
    04:10

Complex Numbers

  • Dividing Complex Numbers
    04:22
  • Introduction to Complex Numbers
    03:31
  • Adding and Subtracting Complex Numbers
    03:18

Simplifying Radical Expressions

  • Adding & Subtracting Like Radicals
    03:50
  • Adding & Subtracting Unlike Radicals by Simplifying
    5:48
  • Radical Expressions with Variables
    06:44