Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 5 - Test - Page 264: 2b

Answer

$x=9, x=-9$

Work Step by Step

$\frac {x+1}{5}=\frac {16}{x-1}$ Cross Multiply... $(x+1)(x-1)=5(16)$ Simplify by multiplying $x^{2}+1x-1x-1=80$ $x^{2}-1=80$ Add 1 to both sides... $x^{2}=81$ Square root both sides... $x=9, x=-9$
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.