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Math Help - How go graph a compound linear equality on an X/Y graph

  1. #1
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    Lightbulb How go graph a compound linear equality on an X/Y graph

    I'm stumped.

    The question is:

    2x-3y ≥ 9 or x+2y > 6

    I (think)understand I need to satisfy both equations within the shaded regions...but not sure what points to use on the graph to get the correct lines.

    Is this thorough enough to explain why i'm stumped? Thanks!!
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by Saulbadguy View Post
    I'm stumped.

    The question is:

    2x-3y ≥ 9 or x+2y > 6

    I (think)understand I need to satisfy both equations within the shaded regions...but not sure what points to use on the graph to get the correct lines.

    Is this thorough enough to explain why i'm stumped? Thanks!!
    Hi Saulbadguy,

    Usually, you would be looking for the intersection of two linear inequalities. In your case, you are looking for the union.

    Graph and shade the regions for each linear equality.

    The solution will be everything that is shaded, not just their intersection.

    Also, the points on the line x + 2y = 6 are not part of the solution.
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