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Question
Find the slope of the line passing through the following point: (1, 3), (5, 2)
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Solution
Let C = (1, 3) = (x1, y1) and D = (5, 2) = (x2, y2) say.
Slope of line CD = `(y_2 - y_1)/(x_2 - x_1)`
= `(2 - 3)/(5 - 1)`
= `(-1)/4`.
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