SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.
-
Upload
daniel-andersen -
Category
Documents
-
view
213 -
download
1
Transcript of SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.
SECTION 3.9SECTION 3.9SOLVING QUADRATIC SOLVING QUADRATIC
INEQUALITIESINEQUALITIES
Feb 25Feb 25thth 2010 2010
p. 97 in your bookp. 97 in your book
TOMORROW’S QUIZ…TOMORROW’S QUIZ… Sections 3.3 & 3.9Sections 3.3 & 3.9
Graphing using a table (standard form)Graphing using a table (standard form) Interval of Increase / DecreaseInterval of Increase / Decrease Find the Slope (Rate of Change)Find the Slope (Rate of Change) Calculate Average Rate of ChangeCalculate Average Rate of Change Is the ordered pair a solution?Is the ordered pair a solution? Graphing Quadratic InequalitiesGraphing Quadratic Inequalities Solving Quadratic InequalitiesSolving Quadratic Inequalities
Is this a solution?Is this a solution?
– Is the point ( 2 , 1 ) a solution?Is the point ( 2 , 1 ) a solution?
2 2 2y x x
Graph the inequality?Graph the inequality?2 6 4y x x
Solve the InequalitySolve the Inequality
We can solve by We can solve by
finding vertex and finding vertex and
interceptsintercepts
2 4 3 0x x
Solve the InequalitySolve the Inequality
We can solve by We can solve by
finding vertex finding vertex
and interceptsand intercepts
2 5 36 0x x
Try these on your paper…Try these on your paper…
You decide how to solve…use method of You decide how to solve…use method of your choice.your choice.
p. 99 #’s 31, 32, 33p. 99 #’s 31, 32, 33