# Parametric compose --- Introduction ---

This module is a graphical exercise on parametric curves in the cartesian plane.

A parametric curve is determined by two real functions $f$ and $g$ of a parameter $t$. This curve is therefore the set of points $\left(x=f\left(t\right),y=g\left(t\right)\right)$ for different values of t. On the other hand, we also have the graphs of the two coordinate functions $f$ and $g$ which are curves.

This exercise can either present the two curves of $f$ and $g$ and ask you to recognize the parametric curve $\left(x=f\left(t\right),y=g\left(t\right)\right)$ among others, or present the parametric curve and ask you to recognize the curves of $f$ and $g$.

Here are the configuration parameters of the exercise.
• Style
• Level of difficulty
• Number of questions in one session ( The score is attributed only at the end of a session)
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• Description: recognize a parametric curve by the graphs of its coordinate functions. 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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