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Quadratics in Context. The Pendulum Fireworks Parabolas in the Real World Changing Perimeter and Area. The Pendulum. Watch the first minute and a half of this video: http://www.youtube.com/watch?v=rdSgqHuI-mw Did the pendulum learn about quadratics in high school too?. Fireworks.
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Quadratics in Context The Pendulum Fireworks Parabolas in the Real World Changing Perimeter and Area
The Pendulum • Watch the first minute and a half of this video: • http://www.youtube.com/watch?v=rdSgqHuI-mw • Did the pendulum learn about quadratics in high school too?
Fireworks • Watch some of this video: • Fireworks are timed with the music. • http://www.youtube.com/watch?v=dyaNPsHWDes&feature=related • How do fireworks know anything about quadratics?
Parabolas in the Real World • Locate the parabola in each picture • Then note the differences in size and shape of each.
1 – Water Splash 1 - Fountain
3 – Satellite 4 – Satellite
5 - Cone 6 – Basketball Bounce
7 - Branch 8 – Beach
9 – Tyne Bridge 10 – Bridges
11 – Bridge 12 – San Francisco
Changing Perimeter and Area 1xft 1ft 1xft 1ft What happens to the area and perimeter of the square when you multiply each dimension by a scale factor of x?
Changing Perimeter and Area What happens to the area and perimeter of the square when you multiply each dimension by a scale factor of x? 1xft 1ft 1ft 1xft Fill out a table and graph your results. y x
Changing Perimeter and Area What happens to the area and perimeter of the square when you multiply each dimension by a scale factor of x? 1xft 1ft 1ft 1xft Fill out a table and graph your results. y x
Changing Perimeter and Area 1xft 1ft 1xft 1ft y What does the area of a square have to do with quadratic functions? x