There are 4 ways to describe a general line (not passing through the origine, neigher vertical nor horizontal) in the cartesian plane: by an implicite equation, an equation giving $y$ as a function of $x$, one giving $x$ as a function of $y$, or a system of parametric equations.

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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: exercise : recognize a line by equation or by graph. interactive exercises, online calculators and plotters, mathematical recreation and games, Pôle Formation CFAI-CENTRE
- Keywords: CFAI,interactive math, server side interactivity, geometry, algebra, lines, parametric_curves