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INTRO TO QUADRATICS

INTRO TO QUADRATICS. Vertex – the minimum or maximum point. Axis of Symmetry- invisible line that cuts function in half. Y intercept – when graph crosses the y axis (when x=0). X intercept – when the graph crosses the x axis (when y=0). APPLICATION!!!.

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INTRO TO QUADRATICS

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  1. INTRO TO QUADRATICS

  2. Vertex – the minimum or maximum point

  3. Axis of Symmetry- invisible line that cuts function in half

  4. Y intercept – when graph crosses the y axis (when x=0)

  5. X intercept – when the graph crosses the x axis (when y=0)

  6. APPLICATION!!! • A go-cart track has about 380 racers per week and charges $35 to race. The owner estimates that there will be 20 more racers per week for every $1 reduction in the price per race. How can the owner of the go-cart track maximize weekly revenue?

  7. SET UP

  8. F.O.I.L. • Y = (35-X) * (380 + 20X)

  9. LETS LOOK BACK • A go-cart track has about 380 racers per week and charges $35 to race. The owner estimates that there will be 20 more racers per week for every $1 reduction in the price per race. How can the owner of the go-cart track maximize weekly revenue?

  10. p. 242: 55-59

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