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November 27, 2014

Homework Help: Algebra: Parabolas

Posted by Anonymous on Wednesday, April 25, 2012 at 10:04pm.

I have a math problem that requires me to find the focal length of a parabola using the information given on a graph. It is a standard horizontal parabola, the formula being y^2 = ax. The focus point is formula a = 4p. I know that a is positive, because the parabola opens right, however I am provided only one point on the parabola, (3, 4). The coordinate of the focus point in not given. Is there any way to solve this?

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