# Comparing Equations of Parallel and Perpendicular Lines

## Use slope to identify parallel and perpendicular lines

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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Equations of Parallel and Perpendicular Lines

This concept introduces parallel and perpendicular lines and their relationship with slope.
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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Comparing Equations of Parallel and Perpendicular Lines (4.1)

Use their slopes to determine if two lines are parallel or perpendicular.
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## Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Parallel and Perpendicular Lines

by EPISD Algebra 1 Team //at grade
Use their slopes to determine if two lines are parallel or perpendicular.
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## Parallel and Perpendicular Lines

by SFDR Algebra I //at grade
Use their slopes to determine if two lines are parallel or perpendicular.
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## Comparing Equations of Parallel and Perpendicular Lines

Use their slopes to determine if two lines are parallel or perpendicular.
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## Equations of Parallel and Perpendicular Lines

by Millard Public School Omaha, NE (www.mpsomaha.org) //advanced
This concept introduces parallel and perpendicular lines and their relationship with slope.
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• PLIX

## Parallel and Perpendicular Lines

Comparing Equations of Parallel and Perpendicular Lines Interactive
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• Video

## Determining Parallel v. Perpendicular - Overview

by CK-12 //basic
Overview
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• Video

## Solving Word Problems Involving Parallel and Perpendicular Lines - Overview

by CK-12 //basic
Overview
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• Video

## Parallel Lines 2

How to determine if a set of lines are parallel, given their equations, as explained by Khan Academy.
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• Video

## Perpendicular Lines 2

How to find the equation of a line, given one of its points and that it is perpendicular to another line, as explained by Khan Academy.
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• Video

## Determine Parallel and Perpendicular Lines: A Sample Application

This video demonstrates a sample use of identifying parallel and perpendicular lines.
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• Video

## Determining Parallel v. Perpendicular - Example 1

by CK-12 //basic
Determining Parallel v. Perpendicular Given Graphs of Two Lines
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• Video

## Determine Parallel and Perpendicular Lines: An Explanation of the Concept

This video provides an explanation of the concept of identifying parallel and perpendicular lines.
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• Video

## Determining Parallel v. Perpendicular - Example 2

by CK-12 //basic
Determining Parallel v. Perpendicular Given Two Linear Equations
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• Video

## Solving Word Problems Involving Parallel and Perpendicular Lines - Example 1

by CK-12 //basic
Writing Equations of Parallel or Perpendicular Lines Given a Word Problem
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• Video

## Solving Word Problems Involving Parallel and Perpendicular Lines - Example 2

by CK-12 //basic
Writing and Solving Equations of Parallel or Perpendicular Lines Given a Word Problem
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• Study Guide