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  1. Use the x- and y-intercepts to sketch the graph of «math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»5«/mn»«mi»x«/mi»«mo»-«/mo»«mn»4«/mn»«mi»y«/mi»«mo»-«/mo»«mn»40«/mn»«mo»=«/mo»«mn»0«/mn»«/math».


    Determine the     x-intercept by substituting 0 for y.



    Determine the    y-intercept by substituting 0 for x.



    Use the points (8,0) and (0,−10) to sketch the graph of 5x − 4y − 40 = 0.