1. 4-5 Quadratic Equations Solve quadratic equations by graphing and factoring.

2. Quadratic Equations

3. Graphing

4. Practice

5. Zero-Product Property  (x – 5)(x – 1) = 0  Set both binomials equal to zero  x – 5 = 0 or x – 1 = 0  Solve like an equation  x = 5 or x = 1

6. Solving by Factoring

7. Try these!

8. Standard Form First

9. Real-World

10. Calculator  Find zeros by graphing the function in Y=  Make sure you can see where the graph crosses the x-axis.  Go to 2 nd TRACE(CALC)  Then select 2:zero  Select a left and right bound then guess.

11. Assignment  Odds p.229 #9-17,27-31,37,41