Algebra 1

by Hall, Prentice

Published by Prentice Hall

ISBN 10: 0133500403

ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-4 Point-Slope Form - Practice and Problem-Solving Exercises - Page 317: 31

Answer

$y-197.6 = -.0018*(x-8000)$ 207.5 degrees Fahrenheit

Work Step by Step

$m = (197.6-203.9)/(8000-4500)$ $m= -6.3/3500$ $m=-.0018$ $y-197.6 = -.0018*(2500-8000)$ $y-197.6 = -.0018 * (-5500)$ $y-197.6 = 9.9$ $y-197.6+197.6 = 9.9 + 197.6$ $y = 207.5$

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