Algebra-+Div+Poly+and+Quadratic

= Algebra Dividing Polynomials  =

= Watch the clip:  []   =

**Follow along with all 3 examples from the clip and SHOW ALL YOUR WORK in your notebook.**

 * 1. [[image:Screen_shot_2011-05-25_at_10.25.58_PM.png]]**


 * 2. [[image:Screen_shot_2011-05-25_at_10.27.06_PM.png]]**


 * 3. [[image:Screen_shot_2011-05-25_at_10.27.53_PM.png]]**

= Graphing Quadratics Activity  =

== **Load the** [|Quadratic Function Explorer]  **webpage.** HINT: If you click on the command key and click on the link it will open in a new tab. This will let you can go back and forth between the questions and graphing website by clicking on the tab. ==

Answer the following questions on a sheet of paper to turn in when you are completed with this activity.

1. What effect does A have on the shape of the quadratic function?

2. What happens as A is positive? Negative?

3. What happens when A is zero? Why does this happen?

4. What effect does B have on the quadratic function?

5. What happens when B is positive? Negative?

6. What effect does C have on the quadratic function?

7. What happens when C is positive? Negative?

8. Solve the x2 + 4x + 3 = 0 with the quadratic formula.

9. Graph x2 + 4x + 3 = 0. What do you notice about your solutions with the quadratic formula and your graph?