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Algebra I Section 5-6 Graphing Inequalities in Two Variables

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Review: Graph the equation using slope-intercept form.

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Graphing Linear Inequalities Step 1: Rewrite the equation so y is by itself Step 2: Write down the slope and the y-intercept Step 3: Plot the y-intercept (the “b” value) Step 4: “Move” up/down the slope from that point

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Graphing Linear Inequalities (continued)

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Step 6: Test a point to determine which side of the line should be shaded If the test point is true, then shade the side that does include the test point If the test point is false, then shade the side that does not include the test point

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Graph each inequality. List the m and b, and say whether it is a dashed or solid line. Then graph and shade.

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Constant Inequalities horizontal line slope = 0 equation: y (inequality sign) number follow the same steps

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Graph each inequality. Write whether it is a dashed or solid line. Then graph and shade.

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Assignment: Worksheet! Write your name on your paper Follow the directions

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