1. Notes 5.4 (Day 3)
Factoring ax2 + bx + c

2. How to findthe minimum or the maximum value of a function:
Step 1: Find the vertex starting with the x-coordinate. ( , or depending on which form the quadratic is in.
Step 2: Plug the x-coordinate into the equation to find the y-coordinate of the vertex.
Step 3: Look at the a value. If it is positive, the graph holds water and is a minimum.
If it is negative, the graph spills water and is a maximum.

3. Find the minimum or the maximum value of the function.

4. Find the minimum or the maximum value of the function.

5. Homework: p