\begin{center}
\setlength{\unitlength}{0.5cm}
\begin{Picture}(-11,-8)(11,8)
\renewcommand{\axeslabelsize}{\footnotesize}
\cartesiangrid(-10,-7)(11,7)
\pictcolor{blue}
\Put(2,3){\Ellipse{4}{3}}
\Put(2,3){\Circle{0.25}}
\pictcolor{orange}
\Put(2,-3){\Hyperbola{5}{2}{9}{3}}
\Put(2,-3){\Circle{0.25}}
\pictcolor{green}
\translateorigin(-10,2)
\Parabola{0.5}{21}{5}
\Circle{0.25}
\end{Picture}
\end{center}
