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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.

## 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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• PLIX

## Families of Lines: Room in Perspective

Families of Lines Interactive

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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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• Practice
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## Families of Lines Practice

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• Critical Thinking

## Families of Lines Discussion Questions

A list of student-submitted discussion questions for Families of Lines.

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## Families of Lines Pre and Post Read

To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.

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Come up with questions about a topic and learn new vocabulary to determine answers using the table

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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