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Calculating the Slope of a Line Segment

What to Learn

Help to Remember What to Learn


Calculating the Slope of a Line Segment

The slope(m) of a line containing (x1, y1), (x2, y2) is found by:

m = rise/run


m = (y2 - y1)/(x2 - x1)


Slope Interactive Activity

Select the link below to see the calculation for the slope of a segment line when the linear function in the form y = mx + b:

  • Click and drag points P and Q to change the size and location of segment PQ.
  • Watch the grey area below the graph for the updated slope formula, substitution and answer steps.

Linked Source - Ron Blond

Comments to:  Jim Reed - Homepage
Started September, 1998. Copyright 2006, 2007