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High School Mathematics - 2
Slope - III

Formula:
If (x1, y1) and (x2,y2) are any two points on a line the ration (y2 - y1)/(x2 - x1) is constant called the slope of the line, and it is denoted by m.
Therefore, m = (y2 - y1)/(x2 - x1) or (y1 - y2)/(x1 - x2).
The slope is a ratio of vertical to horizontal distances.
Slope = rise/run.

Example:
If (3,4) and (5,6) are two points on a line find its slope.
Solution:
Given that two points (3,4) and (5,6)
Using above formula m = (y2 - y1)/(x2 - x1)
m = (6-4)/(5-3)
m = 2/2
m = 1


Directions: Find the slopes of the given lines. Also write at least ten equations of your own and find their slopes.