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SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.

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Presentation on theme: "SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book."— Presentation transcript:

1 SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book

2 TOMORROWS QUIZ… Sections 3.3 & 3.9 Sections 3.3 & 3.9 Graphing using a table (standard form) Graphing using a table (standard form) Interval of Increase / Decrease Interval of Increase / Decrease Find the Slope (Rate of Change) Find the Slope (Rate of Change) Calculate Average Rate of Change Calculate Average Rate of Change Is the ordered pair a solution? Is the ordered pair a solution? Graphing Quadratic Inequalities Graphing Quadratic Inequalities Solving Quadratic Inequalities Solving Quadratic Inequalities

3 Is this a solution? –Is the point ( 2, 1 ) a solution?

4 Graph the inequality?

5 Solve the Inequality We can solve by finding vertex and intercepts

6 Solve the Inequality We can solve by finding vertex and intercepts

7 Try these on your paper… You decide how to solve…use method of your choice. p. 99 #s 31, 32, 33

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