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INSTRUCTORSCarleen EatonGrant Fraser

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For more information, please see full course syllabus of Algebra 2
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nth Roots

  • The principal nth root is the nonnegative root. Exception: If n is odd and the radicand is negative, the principal nth root is negative.

  • If the nth root of an even power is an odd power, take the absolute value of the result to guarantee that the result is nonnegative.

nth Roots

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Definition of the nth Root 0:13
    • Example
  • Principal nth Root 2:18
    • Index
    • Examples
  • Using Absolute Values 6:25
    • Examples
  • Lecture Example 1 11:26
  • Lecture Example 2 13:17
  • Additional Example 3
  • Additional Example 4