## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 2 Linear Equations and Functions - 2.2 Find Slope and Rate of Change - 2.2 Exercises - Skill Practice - Page 86: 2

See below.

#### Work Step by Step

If two non-vertical lines are parallel, then their slopes are equal. If two non-vertical lines are perpendicular, then their slopes are the negative reciprocals of each other (their product is $-1$).

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