The equation for the cross section of a parabolic telescope mirror is y= \frac{x^{2} }{34} measured in centimeters. How far is the focus from the vertex of the cross section?

The equation for the cross section of a parabolic telescope mirror is y= \frac{x^{2} }{34} measured in centimeters. How far is the focus from the vertex of the cross section?

asked May 17, 2017 9.2k views

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