Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 4 - Writing Linear Functions - 4.3 - Writing Equations of Parallel and Perpendicular Lines - Exercises - Page 191: 2

Answer

$\frac{7}{5}$. This is because the slope of perpendicular line is the negative reciprocal of the slope of the given line.

Work Step by Step

Slope of the perpendicular line is negative reciprocal of the given line. $\implies m=-\frac{1}{-\frac{5}{7}}=\frac{7}{5}$.
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