ALGEBRA I - SECTION 6-6 (Systems of Linear Inequalities)

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Presentation transcript:

ALGEBRA I - SECTION 6-6 (Systems of Linear Inequalities) @ SECTION 6-6 : SYSTEMS of LINEAR INEQUALITIES

SYSTEMS of INEQUALITIES : A set of inequalities with the same solution SYSTEMS of INEQUALITIES : A set of inequalities with the same solution. The solution of a system of inequalities is the set of all ordered pairs that satisfy both (or all) of the inequalities. RECALL : < or > <--------------------------------------> < or >

Solve the system of inequalities by graphing. y < -2x + 4

2) Solve the system of inequalities by graphing. 2x – 3y > 6 x > 3

3) Determine whether the ordered pair is a solution of the given system. y > 2x + 1 y < -2x + 14 a) (-3, 2) b) (4, -1)

ALGEBRA I - SECTION 6-6 (Systems of Linear Inequalities) Q : Why did the two 4’s skip lunch? A : They already eight.