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: 10

Answer

$\text{(d)}$

Work Step by Step

The slope of a line is change in $y$ over change in $x$, which is $\dfrac{y_2-y_1}{x_2-x_1}$ where $x_2\ne x_1$. Thus, the answer is Option (d).
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