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Topic (Course) 
Technology 
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Investigating the Slope of a L...

Perpendicular Lines (Algebra) 
Java Applet 
Activity 

[0]

This activity is perfect for grade 7 and 8 students who are just learning about slope. The tutorial applet allows students to drag collinear points on a plane. As they move the points, the students wi...
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Perpendicular Slopes

Perpendicular Lines (Algebra) 
TINspire 
Activity 

[0]

In this activity, students investigate the “negative reciprocal” relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as th...
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Determine If Two Lines are Per...

Perpendicular Lines (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains how to determine if two lines are perpendicular by looking at their equations.
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Find Equation of a Line Perpen...

Perpendicular Lines (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains how to find the equation of a line perpendicular to a given line.
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Parallel and Perpendicular Lin...

Perpendicular Lines (Algebra) 
Flash 
Support Material 

[0]

This minilesson introduces parallel and perpendicular lines and looks at the relationship between their slopes.
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Apples and Oranges 1 Decimal

Perpendicular Lines (Algebra) 
Android 
Tool 
$ 
[0]

This application is a basic tool for learning algebra. Users try to solve a system of linear equations with two equations and two unknown variables. It is based on the same problem used in the free ap...
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Linear Inequalities

Perpendicular Lines (Algebra) 
Computer 
Tool 

[0]

Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
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