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