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Complex Roots of Quadratic Equations - English

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Outline:
Imaginary number, i = sqrt (-1)
Complex numbers in XY plane 
Complex numbers in complex plane
Quadratic polynomials and parabolic functions
Creating sliders, a, b and c, to look at different quadratic equations 
Effects of coefficients, a, b and c, on parabolic functions 
Finding roots using coefficients in quadratic equations
Finding vertex (extremum) from formula for roots of quadratic equations
Real and complex roots of a quadratic polynomial using Spreadsheet view 
Changes in discriminants for real and complex roots in Spreadsheet view
Width:816 Height:608
Duration:00:14:53 Size:5 MB

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Pre-requisite

Roots of Polynomials

  Assignment

Script

Timed Script

Slides

  • slides-complex-roots/
  • slides-complex-roots/complex-numbers.png
  • slides-complex-roots/geo-bg.png
  • slides-complex-roots/st-logo.png
  • slides-complex-roots/poly complex roots_short.tex
  • slides-complex-roots/poly complex roots_short.pdf

  Additional reading material