Quadratic Inequalities Notes.notebook
Transcript of Quadratic Inequalities Notes.notebook
Quadratic Inequalities Notes.notebook
1
February 23, 2017
Feb 1611:45 PM
Solving Quadratic Inequalities
Feb 1611:59 PM
What are we looking to accomplish?
~ Solve Quadratic Inequalities
~ Graph Quadratic Inequalities
Feb 1712:04 AM
Old NewsWe know LOTS of ways to solve quadratic equations:
~ Factoring
~ Quadratic Formula
~ Completing the Square
Feb 1712:29 AM
Now, Let's Talk about Quadratic Inequalities
Step 1: Change the inequality to an equality.
Step 2: Solve. (Your zeros are called your critical values.)
Step 3: Test the regions around your critical values.
Feb 179:28 AM
3 Steps to Success
Feb 179:31 AM
Your Turn!
a) b)Solve.
Quadratic Inequalities Notes.notebook
2
February 23, 2017
Feb 179:38 AM
Everyone's Favorite...Word Problems!
Feb 179:45 AM
Another One!
Feb 179:46 AM
Graphing Time!
7 6 5 4 3 2 1 0 1 2 3 4 5 6 7
7654321
1234567
x
y
Feb 179:50 AM
More Graphs!
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
87654321
12345678
x
y
Feb 179:52 AM
Try These!
a) b)
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
87654321
12345678
x
y
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
87654321
12345678
x
y
Feb 179:54 AM
Pop Problem!Shade the solution region for the system of inequalities.
6 5 4 3 2 1 0 1 2 3 4 5 6
6
5
4
3
2
1
1
2
3
4
5
6
x
y