A heavy-duty flashlight mirror has a parabolic cross section with diameter 6 in. and depth 1 in.

Question:

a) Position a coordinate system with the origin at the vertex and the x-axis on the parabola's axis of symmetry and find an equation of the parabola.
b) How far from the vertex should the bulb be positioned if it is to be placed at the focus?

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College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

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Question Posted: Apr 12, 2016 09:59 AM

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A heavy-duty flashlight mirror has a parabolic cross section with diameter 6 in. and depth 1 in.

Question:

6 in. Focus in.

Step by Step Answer:

a The parabola is of the form y 2 4px A point on th...View the full answer

College Algebra Graphs and Models

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