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Geometry

Geometry. 3.3 Slope. Slope - rate of change m = Positive Negative Zero Undefined. Example 1. Find the slope between each pair of points. A. (0, 2) and (2, 0) B. (5, 2) and (-6, -1) C. (-3, -2) and (2, -2) D. (5, 2) and (5, -3).

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Geometry

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  1. Geometry 3.3 Slope

  2. Slope- rate of change • m = • PositiveNegativeZeroUndefined

  3. Example1 • Find the slope between each pair of points. A. (0, 2) and (2, 0) B. (5, 2) and (-6, -1) C. (-3, -2) and (2, -2) D. (5, 2) and (5, -3)

  4. Postulate 3-2: Two distinct nonvertical lines are parallel if and only if they have the same slope. • Postulate 3-3: Two nonvertical lines are perpendicular if and only if the product of their slopes is -1 • This also means that they are negative reciprocals.

  5. Example 2 • Given F(1, -3), G(-2, -1), H(5, 0), and J(6,3) determine if FG and HJ are parallel, perpendicular, or neither.

  6. Homework • Page 190: 13 – 37 odds

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