74. A parabolic mirror on a telescope has a focal length of 16 cm. (16,0) 24 cm a. For the coordinate system shown, write an equation of the parabolic cross section of the mirror. b. Determine the displacement of the mirror relative to y-axis at the edge of the mirror. That is, find the x value at a point 12 cm above or below the vertex.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.2: Points, Lines, And Their Graphs
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74. A parabolic mirror on a telescope has a focal length of
16 cm.
(16,0)
24 cm
a. For the coordinate system shown, write an equation of
the parabolic cross section of the mirror.
b. Determine the displacement of the mirror relative to
y-axis at the edge of the mirror. That is, find the x
value at a point 12 cm above or below the vertex.
Transcribed Image Text:74. A parabolic mirror on a telescope has a focal length of 16 cm. (16,0) 24 cm a. For the coordinate system shown, write an equation of the parabolic cross section of the mirror. b. Determine the displacement of the mirror relative to y-axis at the edge of the mirror. That is, find the x value at a point 12 cm above or below the vertex.
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