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Question
Find the slope of the following lines which pass through the point: (2, – 1), (4, 3)
Solution
Let A = (x1, y1) = (2, – 1) and B = (x2, y2) = (4, 3).
Slope of line AB = `(y_2 - y_1)/(x_2 - x_1)`
= `(3 - (-1))/(4 - 2)`
= `4/2`
= 2.
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