Precalculus (10th Edition)

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

Chapter 4 - Polynomial and Rational Functions - 4.5 The Real Zeros of a Polynomial Function - 4.5 Assess Your Understanding - Page 235: 126

Answer

$(4,0)$, $(0,\pm2\sqrt 3)$

Work Step by Step

Step 1. To find the x-intercept(s), let $y=0$ to get $3x=12$, thus $x=4$ or $(4,0)$ Step 2. To find the y-intercept(s), let $x=0$ to get $y^2=12$, thus $y=\pm2\sqrt 3$ or $(0,\pm2\sqrt 3)$
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