Solving Systems of Linear Inequalities by Graphing by sgh90748

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									                                                                                     No Exit Question
                    Solving Systems of Linear Inequalities by Graphing

      Review
      ,   solid lines
      ,  dashed lines

      Example 1
        Graph   x  y  1

      Solve for y
                     y  x 1



      Example 2
        Graph        2 x  5 y  10

      Solve for y
                          2
                     y     x2
                          5




      The solution to the system of inequalities is the intersection of the shaded
      region.

      Example 3
                     2x  y  1
         Solve
                     x  y  3

      Solve both equations for y
                  y  2x  1
                  y  x  3
      The solution is where the shading overlaps.


      Example 4
                    2x  y  4
         Solve
                    3x  y  6

      Solve both equations for y
                  y  2 x  4
                  y  3x  6
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Assignment:
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