1. For example:
f(x)=4x2+4x+1

3. Squaring a binomial results in a perfect square trinomial .

4. f(x)=0
f(2)=0 (2,0)
f(5)=0 (5,0)

7. x= 3 4
Check: (4( 3 4 )-3)2=0

8. f(x)= 25x 2 +20x+4
x=- 2 5

10. Rewrite f(x)=4x2+36x+81 by factoring.
What are the zeros of the function?

11. 1.Find the total area of the patio
2. Find the area of the patio.
3. Find the area of the walkway

13. Rewrite each quadratic function by factoring
Rewrite each quadratic function by factoring. What are the zeros of each function?
y=4x2+12x+9
y=36-12x+x2