Parallel & Perpendicular Lines: Slope Rules Made Simple
Автор: Lecture Distilled
Загружено: 2026-01-22
Просмотров: 4
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📓 Interactive Notebook: https://ludium.ai/courses/calculus-1/...
How can you instantly write the equation of a line parallel or perpendicular to another? It all comes down to one number: the slope. In this video, you'll learn the simple rules that connect parallel and perpendicular lines, and how to use point-slope form to find equations quickly.
📚 Key concepts covered:
• Parallel lines share identical slopes—same steepness, same direction, never intersect
• Perpendicular lines have negative reciprocal slopes (flip the fraction, change the sign)
• How to verify perpendicular slopes multiply to -1
• Using point-slope form y - y₁ = m(x - x₁) to build equations
• Step-by-step examples finding parallel and perpendicular lines through a given point
• Common mistakes to avoid when finding negative reciprocals
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📖 ORIGINAL SOURCE
This video distills concepts from educational content on linear equations and slope relationships.
Source: • Calculus 1 Lecture 0.1: Lines, Angle of I...
All credit to the original creator for the foundational material.
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📺 About Lecture Distilled
Long lectures. Short videos. Core insights.
We transform lengthy educational content into focused, digestible concept videos that respect your time while delivering the essential knowledge you need.
🔗 GitHub: https://github.com/Augustinus12835/au...
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#ParallelLines #PerpendicularLines #Slope #LinearEquations #AlgebraHelp #MathTutorial #PointSlopeForm #NegativeReciprocal
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