Parabola
========

.. py:class:: Parabola

   In the following constructors, additional keyword arguments can be
   provided to set properties of the new :py:class:`Parabola`.

   .. py:method:: Parabola(focus, directrix)

      Construct the parabola with the given *focus* and *directrix* —
      i.e., the set of all points which are equidistant from the focus
      and the directrix.

   .. py:method:: Parabola(a, b, c)
      :noindex:

      Construct the parabola with equation *y = ax² + bx + c*.

   A :py:class:`Parabola` has the following common properties:

   * :py:attr:`is_visible`
   * :py:attr:`color`
   * :py:attr:`color_floats`
   * :py:attr:`line_thickness`


.. seealso::

   `GeoGebra Parabola() reference
   <https://geogebra.github.io/docs/manual/en/commands/Parabola/>`_