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Slopes of Parallel and Perpendicular lines

Slopes of Parallel and Perpendicular lines. Slopes of Parallel Lines. Two nonvertical lines are parallel iff their slopes are equal. Slopes of Perpendicular Lines. Two nonvertical lines are perpendicular iff the product of their slopes is -1. Are the two lines parallel?.

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Slopes of Parallel and Perpendicular lines

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  1. Slopes of Parallel and Perpendicular lines

  2. Slopes of Parallel Lines • Two nonvertical lines are parallel iff their slopes are equal

  3. Slopes of Perpendicular Lines • Two nonvertical lines are perpendicular iff the product of their slopes is -1.

  4. Are the two lines parallel?

  5. What is the equation in slope-intercept form for the line parallel to that contains ( -2, -2) ? Perpendicular?

  6. Are the two lines perpendicular?

  7. Hwk: p 201, #7-25 odd, 31

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