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Determine the equation of the directrix of the following conic section: y? = -18a O y = -9/2 O x = 9/2 O y= 9/2 O x = -9/2

Determine the equation of the directrix of the following conic section: y? = -18a O y = -9/2 O x = 9/2 O y= 9/2 O x = -9/2

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question 20 Determine the equation of the directrix of the following conic section: y? = = -18x O y = -9/2 O x = 9/2 O y= 9/2 O x = -9/2
Transcribed Image Text:Question 20 Determine the equation of the directrix of the following conic section: y? = = -18x O y = -9/2 O x = 9/2 O y= 9/2 O x = -9/2
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