Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 1 - Linear Functions - 1.1 Slopes and Equations of Lines - 1.1 Exercises - Page 13: 3


The slope of this line is undefined

Work Step by Step

Through $(8,4)$ and $(8,-7)$ The slope of a line is given by $m=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}$, where $(x_{1},y_{1})$ and $(x_{2},y_{2})$ are points through which the line passes. Substitute the points given into the formula and evaluate: $m=\dfrac{-7-4}{8-8}=\dfrac{-11}{0}=$ undefined
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