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.
![Page 1: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/1.jpg)
SECTION 3.9SECTION 3.9SOLVING QUADRATIC SOLVING QUADRATIC
INEQUALITIESINEQUALITIES
Feb 25Feb 25thth 2010 2010
p. 97 in your bookp. 97 in your book
![Page 2: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/2.jpg)
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
![Page 3: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/3.jpg)
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
![Page 4: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/4.jpg)
Graph the inequality?Graph the inequality?2 6 4y x x
![Page 5: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/5.jpg)
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
![Page 6: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/6.jpg)
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
![Page 7: SECTION 3.9 SOLVING QUADRATIC INEQUALITIES Feb 25 th 2010 p. 97 in your book.](https://reader036.fdocuments.us/reader036/viewer/2022082917/551424eb550346dd488b59d5/html5/thumbnails/7.jpg)
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