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Presentation transcript:

Bellringer

Bellringer

Parallel and Perpendicular Lines Chapter 6: Section 5 Parallel and Perpendicular Lines

Parallel Lines Lines in the same plane that never intersect Nonvertical lines are parallel if they have the same slope and different y-intercepts. Any two vertical lines are parallel.

Example 1 Check to see if the equations are parallel.

Example 2 Write and equation for the line that contains (5, 1) and is parallel to point m, slope

Perpendicular Lines Lines that intersect to form right angles Two lines are perpendicular if their slopes are negative reciprocals. Their product is -1. Vertical and horizontal lines are perpendicular.

Example 3 Check to see if the equations are perpendicular.

Example 4 Write and equation for the line that contains (0, -2) and is perpendicular to point m, slope

Your Assignment Page 314 #’s 4-40 multiples of 4 #31 #42

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