Dec 06_Systems of Inequalities

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What is a system of inequalities?

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A system of inequalities is a set of two or more inequalities with the same variables. The solution is the region where the graphs of the inequalities overlap.

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What does shading above a line indicate in a graph of inequalities?

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Shading above a line indicates that the solutions to the inequality are all the points above that line.

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What is the difference between a solid line and a dotted line in graphing inequalities?

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You shade to the left of -1, including -1 itself.

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