Perpendicular Lines

This video demonstrates how to tell algebraically whether lines are perpendicular. Using three different linear equations in different forms, each is rewritten in slope-intercept form, and their slopes are compared to show whether they are negative inverse of each other.

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Resource Details

Grade
7th - 9th
Subjects
Math
2 more...
Resource Types
Videos
1 more...
Audiences
For Teacher Use
1 more...
Instructional Strategy
Flipped Classroom
Accessibility
Closed Captions
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
cc