SystemsOfInequalities. 7-1 Solving Systems by Graphing What is a system of linear equations? “SOLUTION” No solution Infinitely Many Solutions Page 342.

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Presentation transcript:

SystemsOfInequalities

7-1 Solving Systems by Graphing What is a system of linear equations? “SOLUTION” No solution Infinitely Many Solutions Page 342

7-2 Solving Systems Using Substitution Substitute one variable for its equivalent from the other equation. 2x - y = 3 y = -6x +13

7-3 Solving Systems Using Elimination Addition and Subtraction Multiplication

7-4 Applications of Linear Systems Word problems Define two variables Write two equations

7-5 Linear Inequalities Graph like equations Shade “ABOVE OR BELOW” TEST THE SOLUTION Exceptions

y < 2x + 5

7-6 Systems of Linear Inequalities Graph like equations Shade “ABOVE OR BELOW” on both TEST THE SOLUTION Could be three or more

y > -x +2 y < 2x + 5