slope nov 17
TRANSCRIPT
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Slope of a Line
refers to the steepness and direction of a line
Slope = change in y (vertical)change in x (horizontal)
riserun =
Ramp A Ramp B
6m
12m12m
3m
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Slope = change in y (vertical)change in x (horizontal)
riserun =
=m y2 y1x2 x1Example:
Find the slope of the line that passes through (3, 2) and (1, 5)
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• Find the slope of the line adjoined by (3, 6) and (4, 1)
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If the slope of a line adjoined by (6, 5) and (4, y) is 4, find y
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• if m > 0, line is diagonal and ____ to the right
• if m = 0, line is ____________
• if m < 0, line is diagonal and _____ to the right
• if m is undefined (denominator = 0), line is ___________
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Assignment
Exercise # 7