Answer
$y^2=-\frac{1}{3}x$
Work Step by Step
It is a parabola with horizontal axis. Focus: $F=(p,0)$
$F=(p,0)=(-\frac{1}{12},0)$
$p=-\frac{1}{12}$
Equation: $y^2=4px$
$y^2=4(-\frac{1}{12})x$
$y^2=-\frac{1}{3}x$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 7, Conic Sections - Section 7.1 - Parabolas - 7.1 Exercises - Page 555: 36
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