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Quadratics in Context

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

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  1. Quadratics in Context The Pendulum Fireworks Parabolas in the Real World Changing Perimeter and Area

  2. 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?

  3. 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?

  4. Fireworks

  5. Parabolas in the Real World • Locate the parabola in each picture • Then note the differences in size and shape of each.

  6. 1 – Water Splash 1 - Fountain

  7. 3 – Satellite 4 – Satellite

  8. 5 - Cone 6 – Basketball Bounce

  9. 7 - Branch 8 – Beach

  10. 9 – Tyne Bridge 10 – Bridges

  11. 11 – Bridge 12 – San Francisco

  12. 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?

  13. 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

  14. 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

  15. Changing Perimeter and Area 1xft 1ft 1xft 1ft y What does the area of a square have to do with quadratic functions? x

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