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3.4 Solving Systems of Linear Inequalities
Objectives: Write and graph a system of linear inequalities in two variables.
Write a system of inequalities in two variables for a given solution region.
Standard: 2.8.11.K. Apply an appropriate technique to graph a linear inequality in two
variables.
• A system of linear inequalities is a collection of linear inequalities that use the same variables.
• The solution is any ordered pair that makes each of the inequalities in the system a true statement.
• When graphing a system of linear inequalities, shade the part of the graph where all of the solution regions for each individual linear inequality overlap.
PSSA Warm-Up QuestionAlg II – Chp. 3
• Standard 2.8.11 G Analyze and explain systems of equations and inequalities.
Solve this system of inequalities:
2x + y < 5 y < x - 4
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