Answer
$x=-6$
Work Step by Step
In order to find the slope, we use the following equation: $ \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. Thus, we obtain:
$ -1/2 =\frac{8-4}{x-2} \\\\ -1/2=\frac{4}{x-2} \\\\ -1/2x+1=4 \\\\ -1/2x=3 \\\\ x=-6$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Practice and Problem-Solving Exercises - Page 299: 44
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