%Make TiKZ use radians - default is degrees
\begin{tikzpicture}
  [
    %Options:
    %scale=...
    %...
    %...
  ]
  
  \draw [-Latex] (-5,0) -- (5,0) node [right] {$x$};
  \draw [-Latex] (0,-5) -- (0,5) node [above] {$y$};
\end{tikzpicture}
