Algebra 1

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: 22

Answer

y=-12x+80

Work Step by Step

Two points are given and you find the slope by using slope equation. (5,20)(6,8) $\frac{20-8}{5-6}$ =$\frac{12}{-1}$. The slope is -12. Use a given point to find b: 8=12 (6) + b Simplify to get b=80. The equation is y=-12x+80
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