# Parabola (vertical)

- Check the "sliders" box and play around adjust the values to see the changes in the shape of the parabola.
- Check the other boxes
**EXCEPT**the "construction" box. As you mess around with the sliders you'll see the various aspects of the parabola change. - Check the "construction" box. As you drag Point P (the red dot), notice how the distances between the vertex, focus and directrix define the curve.

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