Lesson 7.6a Systems of Inequalities.notebook
March 01, 2013
7.6 ­ Systems of Inequalities
Objective:
Be able to solve systems of linear inequalities by graphing
In systems of equations, solutions are the points where our lines cross.
In systems of inequalities, solutions are the shaded regions that overlap.
Lesson 7.6a Systems of Inequalities.notebook
Examples:
1. Graph the system of inequalities
y > 2x ­5
y < ­3x
2. Graph the system of inequalities
y > 2x +4
2x ­ y < 4
March 01, 2013
Lesson 7.6a Systems of Inequalities.notebook
3. Graph the system of inequalities
y < ­1/3x +7
y > ­x + 1
4. Graph the system of inequalities
y > ­x+5
y < 3x ­ 4
March 01, 2013
Lesson 7.6a Systems of Inequalities.notebook
5. Graph the system of inequalities
y < 3x + 4
­3x ­2y > 6
6. Graph the system of inequalities
y > 5
y < 2x ­ 3
March 01, 2013
Lesson 7.6a Systems of Inequalities.notebook
Homework #21:
Pg 414 #2­20 evens
(MUST use graph paper to get credit for your HW!!!!!)
Chapter 7 Test NEXT Thursday/Friday!!
March 01, 2013