A1-U4.4 Equations of Parallel & Perpendicular Lines
Presentation
•
Mathematics
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9th Grade
•
Practice Problem
•
Hard
Kyle Evans
Used 2+ times
FREE Resource
7 Slides • 0 Questions
1
Perpendicular Lines
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We are going to use substitution to create linear equations with parallel and perpendicular slopes.
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Substitute the given (x, y) and the slope, into y = mx + b.
Solve for b.
Replace the slope, and intercept into y = mx + b.
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Substitute the given (x, y) and the reciprocal/opposite slope, into y = mx + b.
Solve for b.
Replace the perpendicular slope, and intercept into y = mx + b.
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Example 1:
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Example 2:
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Example 3:
Perpendicular Lines
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