SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book
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
Is this a solution? –Is the point ( 2, 1 ) a solution?
Graph the inequality?
Solve the Inequality We can solve by finding vertex and intercepts
Solve the Inequality We can solve by finding vertex and intercepts
Try these on your paper… You decide how to solve…use method of your choice. p. 99 #s 31, 32, 33