\begin{center}
\setlength{\unitlength}{0.5cm}
\begin{Picture}(-5.5,-5.5)(5.5,5.5)
\renewcommand{\axeslabelsize}{\footnotesize}
\cartesiangrid(-5,-5)(5,5)
\pictcolor{red}
\lHyperbola{2}{3}{5}{5}
\pictcolor{blue}
\rHyperbola{2}{3}{5}{5}
\end{Picture}
\end{center}
