College Algebra 7th Edition

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: 50



Work Step by Step

Directrix: $x=-2$ In a parabola with horizontal axis: Directrix: $x=-p$ So, $p=2$ Equation of a parabola with horizontal axis: $y^2=4px$ $y^2=4(2)x$ $y^2=8x$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.