This unit discusses linear inequalities and their graphs.

This video is an introduction to inequalities. It solves simple several simple inequalities and gives a visual aid to the solution on a number line.

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This video solves inequalities that involve multiplication and division. It gives examples of what to do with both positive and negative numbers. Number lines are used as an aid to demonstrate the solutions.

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This video solves several slightly complication inequalities and writes the solution in interval notation. It also uses number lines to demonstrate solutions.

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This video solves several inequalities that have two sets of constraints by separating each problem into two inequalities. Number lines are used to demonstrate solutions.

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This video solves several absolute value problems. One problem graphs the boundary of an inequality region.

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This video explores how to think about and solve absolute value inequalities. Sal shows graphically what is going on.

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This video shows a standard technique for graphing inequalities using the equation of the corresponding equality to mark the boundary of the region of inequality.

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