# Perpendicular Lines in the Coordinate Plane

## Lines with opposite sign, reciprocal slopes that intersect at right angles.

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
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Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Perpendicular Lines in the Coordinate Plane

by CK-12 //basic
Use slopes to determine if two lines are perpendicular.
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## Perpendicular Lines in the Coordinate Plane Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on perpendicular lines in the coordinate plane.
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## Perpendicular Lines in the Coordinate Plane Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Perpendicular Lines in the Coordinate Plane".
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## Equations of Parallel and Perpendicular Lines

by CK-12 //basic
Shows how to find the equations of parallel and perpendicular lines.
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