Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 1 - Graphs - 1.3 Lines - 1.3 Assess Your Understanding - Page 30: 28

Answer

$y-3=-\frac{2}{5}(x-1)$. See graph.

Work Step by Step

Step 1. Given point $P(1,3)$ and slope $m=-\frac{2}{5}$, we can write the point-slope form of the equation as $y-3=-\frac{2}{5}(x-1)$. Step 2. We can plot the above line as shown in the figure. See graph.
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