5.3 Quadratic Roots by Factoring and Graphing

5.3 Quadratic Roots by Factoring and Graphing
Friday, September 13, 2013
5:39 AM
Vocabulary:
Homework:
3 of 18-23, 3 of 28-33, 3 of 37-45, 46, 47, 60
Zeros
Roots
Solutions
X intercepts
Solve
Agenda:
Finding the roots by graphing
Finding the roots by factoring
Make it work in the real world!
Finding the roots by graphing
1. Directions: Find the zeros of
Bell Ringer
1. Solve by completing the
square.
by using a graph and table.
Finding the roots by factoring
Directions: Find the x intercepts of each function by factoring.
Chapter 5 Page 1
Make it work in the real world! (kinda)
6. A cannonball is fired from ground level with an initial vertical velocity of
48ft/s. How long is the ball in the air?
Chapter 5 Page 2