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# Equations of Perpendicular Lines

## Lines meeting at right angles have slopes that are negative reciprocals

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Equations of Perpendicular Lines

Learn how to recognize and write equations of perpendicular lines.
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## Finding the Equation of Perpendicular Lines

This lesson covers determining if two lines are parallel, perpendicular, or neither and finding the equation of perpendicular lines to a given line.
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## Finding the Equation of Perpendicular Lines

This lesson covers determining if two lines are parallel, perpendicular, or neither and finding the equation of perpendicular lines to a given line.
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• PLIX

## Equations of Perpendicular Lines

Equations of Perpendicular Lines Interactive
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## Equations of Perpendicular Lines Quiz

Quiz for Equations with Perpendicular Lines.
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• Critical Thinking

## Equations of Perpendicular Lines Discussion Questions

A list of student-submitted discussion questions for Equations of Perpendicular Lines.
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• Real World Application

## Parallel & Perpendicular Lines

Students will apply their understanding of finding the equations of parallel and perpendicular lines to pictures they see in everyday life.
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• Study Guide