$a(x-{x}_{0}{)}^{2}+b(y-{y}_{0}{)}^{2}=c$,

or of the form$a{x}^{2}+b{y}^{2}+cx+dy+e=0$,

where $({x}_{0},{y}_{0})$ is the center of the ellipse and the ratio between the two axes of the ellipse is described by the ratio between $a$ and $b$ (how?).This online exercise can either plot an ellipse and ask you to recognize its equation among a list to choose from, or give an equation and ask you to recognize the plotted ellipse among a list to choose from.

Other exercises on:

The most recent versionPlease take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.

- Description: recognize an ellipse according to its equation, or vice versa. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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