For the following exercises, the vertex and endpoints of the latus rectum of a parabola are given.

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For the following exercises, the vertex and endpoints of the latus rectum of a parabola are given. Find the equation.

The mirror in an automobile headlight has a parabolic cross-section with the light bulb at the focus. On a schematic, the equation of the parabola is given as x2=4y. At what coordinates should you place the light bulb?

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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