College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 7, Conic Sections - Chapter 7 Review - Exercises - Page 585: 56

Answer

The equation for this parabola is $y^{2} = 20x$

Work Step by Step

We know that the value for $p$ can be found if we know the focus. In this problem, the focus is given as $(5, 0)$. We can see that this parabola has a horizontal axis and that the value for $p$ is $5$. The equation for a parabola with a horizontal axis is given by the following formula: $y^{2} = 4px$ Substituting $5$ for $p$ into this equation, we get: $y^{2} = 4(5)x$ Simplifying, we get the equation for this particular parabola: $y^{2} = 20x$
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