Complex Roots of Quadratic Equations

Iyer, Vidhya ; IIT Bombay


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. Pre-requisite: Roots of Polynomials

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Spoken Tutorial IIT Bombay

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