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Families of Lines

Lines sharing a point or slope

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.

Families of Lines

by CK-12 //basic
Learn how to express families of linear equations.
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Families of Lines

Find the equation of a line that is parallel or perpendicular to a given line.
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Equations of Parallel and Perpendicular Lines

Find the equation of a line that is parallel or perpendicular to a given line.
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Writing Equations of Parallel and Perpendicular Lines

by EPISD Algebra 1 Team //at grade
Find the equation of a line that is parallel or perpendicular to a given line.
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6

Families of Lines

by Barbara Zingg //basic
Learn how to express families of linear equations.
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• PLIX

Families of Lines: Room in Perspective

Families of Lines Interactive
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• PLIX

Families of Lines: Room in Perspective

Families of Lines Interactive
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• Video

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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• Video

Equations of Parallel and Perpendicular Lines: A Sample Application

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

Equations of Parallel and Perpendicular Lines: An Explanation of the Concept

This video provides an explanation of the concept of the equations of parallel and perpendicular lines.
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Families of Lines Quiz

Quiz for Families of Lines.
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• 1
• Critical Thinking

Families of Lines Discussion Questions

A list of student-submitted discussion questions for Families of 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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• Real World Application

Economic Impacts

Find out how unemployment rates depend on education levels.
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• Real World Application

Economic Impacts

Find out how unemployment rates depend on education levels.
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• Study Guide

Slope of Parallel and Perpendicular Lines

by Meera Santhanam //basic
This study guide reviews how to find perpendicular and parallel lines in depth using two alternate methods.
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• Flashcards

Families of Lines Flashcards

by CK-12 //basic
These flashcards help you study important terms and vocabulary from Families of Lines.
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