Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Review - Page 620: 8

Answer

a) $y=12000x+126000$ b) $342,000

Work Step by Step

a) $(7,210000)$, $(12, 270000)$ $m=(270000-210000)/(12-7)$ $m=60000/5$ $m=12000$ $y=mx+b$ $210000=12000*7+b$ $210000=84000+b$ $126000=b$ $y=12000x+126000$ b) $2016-1998=18$ $y=12000x+126000$ $y=12000*18+126000$ $y=216000+126000$ $342000$
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