!! used as default html header if there is none in the selected theme. Line choice

Line choice --- Introduction ---

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.

This exercise gives you a training occasion to get familiarized with these different descriptions of the line, as well as the graphics of the line.

Other exercises on: Lines   graphic choices   Equations   parametric equations  

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