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Jessika Richter
Jessika Richter
(Lund - Sweden)

The short and sweet: I have been a passionate teacher since 2001.  I first worked with the National Park Service in Washington (state), then moved to Australia where I completed my DipEd at the University of Melbourne and then taught at Hailebury  ...

Lesson 14: Quadratic Formula

Completing the square is applied to the general quadratic to derive the quadratic formula. Before an area application example is given there is a quick review of the four methods that have been presented for solving quadratic equations. Complex numbers are introduced before the discriminant is presented.

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