Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Review - Page 273: 25



Work Step by Step

To find the slope of an line you need to take a look at two points. With these two points you will fill in the formula of the differences quotient:$ \frac{y2-y1}{x2-x1}$. The numbers 1&2 indicate the points the number 2 is the one on the right. Number one therefore is the left point. In this example this would be: $\frac{-1-2}{3--1}=-\frac{3}{4}$ since we have the points A(-1/2) and B(3/-1).
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