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Section 4.4 Slope

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    Section 4.4 Slope Section 4.4 Slope Presentation Transcript

    • Warm - Up
      • Identify the x – coordinate and y – coordinate of each ordered pair.
      • (-3,4) (0,-7)
      • (5,0) (-9,-2)
    • Section 4.4 The Slope of a Line
      • Definitions:
        • Slope – of a non-vertical line is the number of units the line rises or falls for each unit of horizontal change from left to right.
        • Rate of Change – slope is an important way of visualizing a rate of change
    • Classifications of line by slope
    • Example One
      • Find the slope of the line passing through (-2,2) and (3,4).
    • Example Two
      • Find the slope of the line passing through (-1,2) and (3,2).
    • Example Three
      • Find the slope of the line passing through (0,0) and (3,-3).
    • Example Four
      • Find the slope of the line passing through (2,4) and (2,1).
    • Example Five
      • Find the value of y so that the line passing through the points (-2,1) and (4,y) has a slope of 2/3.
    • Example Six
      • Find the value of y so that the line passing through the points (3,y) and (5,8) has a slope of 2.