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Re: Plot help needed


Many thanks to all who emailed me with help on this! ImplicitPlot and
ContourPlot did the job.  Thanks again.

Mark

rawling at erols.com (Mark Rawlings) wrote:

>I'm very new to Mathematica (version 2.2.2) and I'm having trouble
>figuring out how to plot equations in 2 variables where I cannot (or
>cannot easily)  isolate one of the variables, such as 
>
>9x^2-12xy+4y^2-16x+8y-27=0      (parabola)
>
>Thanks,
>
>Mark
>



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