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    jordo6889's Avatar
    jordo6889 Posts: 13, Reputation: 1
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    #1

    Nov 5, 2009, 10:20 AM
    sketch graph given two equations
    Sketch the graph of the solution set of each system of inequalities.
    2x-5y<-6 and 3x+y<8
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Nov 5, 2009, 10:37 AM

    1) 2x-5y<-6
    rearrange to





    2) 3x+y<8

    rearrange to



    1. draw the two lines indicated by the equations. Slope/Intercept is appropriate since the equations are in that form.

    2. Note that the "<" or ">" implies that the inequalities do not include the lines. Figure out which side of the line is included in the inequality (pick a point, plug it into the equation and see if it fits).

    3) The intersection of the two areas is the graph required.
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