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?

11. p. 242: 55-59