How to draw this graph please?
$$4y^2 -x^2+4z^2-1 \geq 0$$
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The hyperboloid ($=0$) is the result of rotating $4 y^2 = 1 + x^2$ around the $x$-axis. So, carefully draw $4 y^2 = 1 + x^2$ in the $x,y$ plane. – Will Jagy Mar 12 '13 at 18:11
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I just changed my question because it didnt make any sense to me.. – Beyonce90 Mar 12 '13 at 18:16
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Just a note, $\ge$ is "\ge" not "\gt=" – Kaster Mar 12 '13 at 19:00
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Please draw the two-dimensional hyperbola I indicated. – Will Jagy Mar 12 '13 at 19:08
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how about z? :/ – Beyonce90 Mar 12 '13 at 19:28
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@Beyonce90: Is this what you are looking for? It is plotted as a parametric plot using WA. Also, do you see how following Will Jagy's advice would have solved the problem? – Amzoti Mar 12 '13 at 19:45