Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - 2-3 Linear Functions and Slope-Intercept Form - Practice and Problem-Solving Exercises: 8

Answer

-1

Work Step by Step

To find the slope of a line using two points, $(x_1, y_1)$ and $(x_2, y_2)$, we use the formula $m=\frac{y_2-y_1}{x_2-x_1}$. Substituting the points into the formula gives : $m=\frac{-1-6}{8-1}=\frac{-7}{7}=-1$
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