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Completing the Square with Complex Roots Instructional VideoCompleting the Square with Complex Roots Instructional Video
Publisher
Krista King Math
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - 12th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Media Length
6:04
Audiences
For Teacher Use
1 more...
Instructional Strategy
Direct Instruction
Technology
Video
Presentation
Internet Access
Year
2015
Instructional Video

Completing the Square with Complex Roots

Curated and Reviewed by Lesson Planet

Explore completing the square as a process for finding complex roots of quadratic equations with a video lesson that pulls together several concepts related to quadratic equations. The example shows how to complete the square with a quadratic equation and then solve using a square root of a negative number. The answer results in a complex solution.

3 Views 0 Downloads
CCSS: Adaptable

Concepts

completing the square, solving quadratics, complex roots

Additional Tags

math

Instructional Ideas

  • Use the lesson as an extension for upper-level pupils
  • Begin with examples that do not result in fractional coefficients

Classroom Considerations

  • Learners should already be comfortable with the process of completing the square and imaginary numbers
  • This video is hosted on YouTube

Pros

  • Shows every step and detailed work

Cons

  • The one example shown has fractional coefficients, which may lose some scholars' interest

Common Core

HSN-CN.C.7

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