DO NOW

1
DO NOW
Graph the inequalities on the same coordinate
plane
2
DO NOW
3
DO NOW
4
DO NOW
5
Systems of Linear Inequalities

• Objective
• SWBAT graph systems of linear inequalities

6
Linear Inequalities

• Same process as graphing linear equations
• Plot y-intercept
• Use slope to find other points

7
Linear Inequalities
SYMBOL lt gt lt gt
Boundary Dashed Dashed Solid Solid
Shading Below Above Below Above
8
Systems of Linear Inequalities

• System of linear inequalities
• Two or more linear inequalities written together

9
Systems of Linear Inequalities

• Solution to a system of linear inequalities
• Any point that makes each inequality true

10
Systems of Linear Inequalities
11
Systems of Linear Inequalities
12
Systems of Linear Inequalties
Is (0,0) a solution?
13
Walk-Through
Graph the system of linear inequalities below on
a coordinate plane
14
Walk-Through
15
Walk-Through
16
Independent Practice
Pg. 414 s 1-15 all CHALLENGE s 16-19
17
Exit Slip
Which point is in the solution set of the system
of inequalities shown in the accompanying
graph? (1) (0,4) (2) (2,4) (3) (-4,1) (4)
(4,-1)
18
Journal Entry 4
19
Homework
Workbook Pg. 379 s 2-10 even, 20