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Slope

Slope. Rate of change. Definition of slope. Slope – the ratio of vertical change (the rise) to horizontal change (the run) for a nonvertical line. Formula for slope. Parallel lines. Consider two different nonvertical lines The lines are parallel if and only if they have the same slope.

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Slope

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  1. Slope Rate of change

  2. Definition of slope • Slope – the ratio of vertical change (the rise) to horizontal change (the run) for a nonvertical line

  3. Formula for slope

  4. Parallel lines • Consider two different nonvertical lines • The lines are parallel if and only if they have the same slope

  5. Perpendicular lines • Two lines are perpendicular if and only if their slopes are negative reciprocals of each other. • Horizontal and vertical lines are also perpendicular.

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