This program uses a graphing calculator to describe quadratic regression and properties for determining heights and roots. Learning objectives include deriving the general quadratic equation in standard form and solving for the irrational number phi, identifying graphical variations of quadratic functions, and understanding phi’s importance in math, art, architecture, and natural science. Math at work: a roller coaster designer reveals how parabolas figure into the engineering of thrill rides. A Discovery Channel Production. (28 minutes)
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