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Jessika Richter
Jessika Richter
(Lund - Sweden)

<p>The short and sweet: I have been a passionate teacher since 2001. &nbsp;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 15: The Vertex

This lesson begins with a review of the vertex formula for a quadratic and looks at two quadratics- one a vertical shift of the other- to verify that correct vertex is obtained for any quadratic by substituting x = -b/2a into the equation. Application problems concerned with minima and maxima are covered before the vertex form of the quadratic equation is presented. The lesson concludes with examples where the vertex of a given parabola is given and subsequently used to find the related equation.

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