February 29, 2012 Happy Leap Year

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Presentation transcript:

February 29, 2012 Happy Leap Year February 29, 2012 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

HW Questions

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

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