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