Using points (10, 30) and (50, 50):
Let (x1, y1) = (10, 30)
(x2, y2) = (50, 50)
Use the following slope formula:
m = (y2 - y1)/(x2 - x1)
m = (50 - 30) / (50 - 10)
m = 20/40 or 1/2
Therefore, the slope of the line is 1/2.
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