Answer
$x^2=-y$
Work Step by Step
It is a parabola with vertical axis. Focus: $F=(0,p)$
$F=(0,p)=(0,-\frac{1}{4})$
$p=-\frac{1}{4}$
Equation: $x^2=4py$
$x^2=4(-\frac{1}{4})y$
$x^2=-y$
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: 32
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