Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 1 - Section 1.3 - Linear Functions and Models - Exercises - Page 91: 68

Answer

$$y=-\frac{3}{2}x--\frac{5}{2}$$

Work Step by Step

$(x_{1},y_{1}) = (1, -4)$ $and$ $(x_{2},y_{2}) = (-1,-1)$ $m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ $m = \frac{-1-(-4)}{-1-(-1)}$ $m = \frac{-5}{-2}$ $m= -\frac{3}{2}$ y-intercept is $b=y_{1}-mx_{1}$ $b=-4-(-\frac{3}{2})(1)$ $b=4 + \frac{3}{2}$ $b=-\frac{5}{2}$
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