Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 10 - Analytic Geometry - 10.4 The Hyperbola - 10.4 Assess Your Understanding - Page 669: 2



Work Step by Step

We complete the square: $x^2+5x=x^2+2\cdot \dfrac{5}{2}x=\left(x^2+2\cdot \dfrac{5}{2}x+\left(\dfrac{5}{2}\right)^2\right)-\left(\dfrac{5}{2}\right)^2$ $=\left(x+\dfrac{5}{2}\right)^2-\dfrac{25}{4}$ To complete the square $x^2+5x$, add $\dfrac{25}{4}$.
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.