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# QUADRATIC MODELLING - PowerPoint PPT Presentation

QUADRATIC MODELLING. A journey into different representations. Waterslide. Where’s the maths?. Herbert Simon Father of problem solving research. “ solving a problem simply means representing it so as to make the solution transparent.”.

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Presentation Transcript

A journey into different representations

Herbert SimonFather of problem solving research

“solving a problem simply means representing it so as to make the solution transparent.”

WHAT DOES THIS MEAN IN RELATION TO THE ALGBERA WE HAVE BEEN STUDYING?

• Motion

• http://dsc.discovery.com/videos/mythbusters-waterslide-wipeout/

• Design

mathematising’what are x and y?

• Jonah uses a tennis racket to hit a stone straight up into the air. The height, , in metres, of the stone after seconds is given by the formula . Use this equation to work out at what time the stone returns to the ground.

• The diagram shows a rectangular play-pen labelled ABCD. The perimeter is 36m and the area is 80m2. Form a quadratic equation and solve it to calculate .