1. February 29, 2012 Happy Leap Year
February 29, Happy Leap Year! At the end of today, you will be able to use the graphing calculator to find the zeros, maxima and minima of a polynomial.
Warm-up:
Graph y > x2 – 4x + 6
Solve the system: x + 4y = -8
3x + 2y = 6
HW Final Rev 1: Pg. 358 #53-55, 58, 59

2. HW Questions

3. Lesson 7.2 Graphing Polynomial Functions
Definitions:
Real Zeros:
Where the graph intersects the x-axis.
Relative Maximum:
One of the highest y-values of a vertex.
Relative Minimum:
One of the lowest y-values of a vertex.
Maxima and Minima: Plural for maximum and minimum

4. Finding the zeros, maxima, and minima in the calculator
Finding the zeros, maxima, and minima in the calculator. And adjusting your window.
Example 1: f(x) = x3 + 5x2 - 9