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Parabola Exploration - Focal length

Author:
Varada Vaughan
Topic:
Parabola
How does changing the focal length affect the graoh and equation of the parabola? Highlight the focus of the parabola by clicking on it. Then use the up and down arrows to move the focus. Observe the changes to the graph after each move. Note down the focal length and the equation of the parabola after each move.

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