Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Common Core End-of-Course Assessment - Page 795: 31



Work Step by Step

We first find the slope of line p. The equation for slope is: $ \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. Thus, we find: $\frac{7-(-4)}{2-5}=\frac{-11}{3}$ Recall, slopes of perpendicular lines are the opposite reciprocal of the slope of the original line, so we know that the slope of the perpendicular line is 3/11.
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