\begin{center}
\setlength{\unitlength}{0.5cm}
\begin{Picture}(-17,-9)(17,9)
\renewcommand{\axeslabelsize}{\footnotesize}
\cartesiangrid(-16,-8)(16,8)
\pictcolor{blue}
\Hyperbola{5}{2}{16}{8}
\pictcolor{orange}
\xLINE(16,6.4)(-16,-6.4)
\xLINE(-16,6.4)(16,-6.4)
\end{Picture}
\end{center}
