\input preamble.tex

% ---------------------------------------------------------------------------
\begin{document}
\begin{center}
{\Huge\bf{Quadratic}}
\bigskip

\begin{lapdf}(16,8)(-8,-4)
 \Blue
 \Quadratic(-8,0)
  (-4,+8)(+0,0)
  (+4,-8)(+8,0)
  (+4,+8)(+0,0)
  (-4,-8)(-8,0) \Stroke
 \Point(1)(-8,0)
 \Point(1)(+0,0)
 \Point(1)(+8,0)
\end{lapdf}

\em{4 quadratic Bezier curves}
\end{center}
\bigskip

\begin{center}
{\Huge\bf{Cubic}}
\bigskip

\begin{lapdf}(16,6)(-8,-3)
 \Red
 \Cubic(-8,0)
  (-5,-8)(-3,8)(+0,0)
  (+3,-8)(+5,8)(+8,0)
  (+5,-8)(+3,8)(+0,0)
  (-3,-8)(-5,8)(-8,0) \Stroke
 \Point(1)(-8,0)
 \Point(1)(+0,0)
 \Point(1)(+8,0)
\end{lapdf}

\em{4 cubic Bezier curves}
\end{center}
\end{document}