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Math Help - Am i doing these linear inequalituies in two varibles correctly?

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    Am i doing these linear inequalituies in two varibles correctly?

    I am not sure when to use test points on some of these.
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  2. #2
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    Re: Am i doing these linear inequalituies in two varibles correctly?

    Quote Originally Posted by cytotoxictcell View Post
    I am not sure when to use test points on some of these.
    First surely it is 3x-y<3 and not 3y-y<3.

    If the line does not contain (0,0), then that is the easiest point to use.

    Also in the case of strict inequality, <~, use a dashed line.
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