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Ch. 3-3 Systems of Inequalities. – x + y > –1 x + y > 3. – x + y > –1 x + y > 3. – x + y > –1 . x + y > 3. Systems of Inequalities. Solve the system of inequalities. . Graph each inequality. First graph the boundary lines. Then decide which
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–x + y > –1 x + y > 3 –x + y > –1 x + y > 3 –x + y > –1 x + y > 3 Systems of Inequalities Solve the system of inequalities. Graph each inequality. First graph the boundary lines. Then decide which side of each boundary line contains solutions and whether the boundary line is included.
y 3 y > –| x + 2| + 5 y 3 y > –| x + 2| + 5 > y 3 y > –| x + 2| + 5 > > > Every point in the red region or on the solid line is a solution of y 3. Systems of Inequalities Solve the system of inequalities. Every point in the blue region above the dashed line is a solution of y > –| x + 2| + 5.
Homework • P. 132 # 1 – 13 eoo , 21 – 41 eoo • Ch. 3.1-3.2 quiz is next class