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Lesson 3-3

Lesson 3-3. Slopes of Lines. Ohio Content Standards:. Ohio Content Standards:. Recognize and apply angle relationships in situations involving intersecting lines, perpendicular lines and parallel lines. Ohio Content Standards:.

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Lesson 3-3

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  1. Lesson 3-3 Slopes of Lines

  2. Ohio Content Standards:

  3. Ohio Content Standards: Recognize and apply angle relationships in situations involving intersecting lines, perpendicular lines and parallel lines.

  4. Ohio Content Standards: Describe and interpret rates of change from graphical and numerical data.

  5. Ohio Content Standards: Recognize and explain that the slopes of parallel lines are equal and the slopes of perpendicular lines are negative reciprocals.

  6. Ohio Content Standards: Compute and interpret slope, midpoint and distance given a set of ordered pairs.

  7. Slope

  8. Slope The ratio of a line’s vertical rise to its horizontal run.

  9. Slope The ratio of a line’s vertical rise to its horizontal run.

  10. Determine the slope of a line that contains the given points.

  11. Determine the slope of a line that contains the given points. A(-3, 7), B(-1, -1)

  12. Determine the slope of a line that contains the given points. C(0, -3), D(0, 4)

  13. Determine the slope of a line that contains the given points. W(6, 2), X(-2, -5)

  14. Determine the slope of a line that contains the given points. Y(6, -1), Z(-2, -1)

  15. Postulate 3.2

  16. Postulate 3.2 Two nonvertical lines have the same slope if they are parallel.

  17. Postulate 3.3

  18. Postulate 3.3 Two nonvertical lines are perpendicular if the product of their slopes is -1.

  19. Determine whether FG and HJ are parallel, perpendicular, or neither.

  20. Determine whether FG and HJ are parallel, perpendicular, or neither. F(1, -3), G(-2, -1), H(5, 0), J(6, 3)

  21. Determine whether FG and HJ are parallel, perpendicular, or neither. F(4, 2), G(6, -3), H(-1, 5), J(-3, 10)

  22. Graph a line that contains Q(5, 1) and is parallel to MN with M(-2, 4) and N(2, 1).

  23. Assignment:Pgs. 142-144 16-32 evens, 51-62 all

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