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Last updated at Sept. 6, 2021 by Teachoo

Example 1 Find the slope of the lines: Passing through the points (3, β2) and (β1, 4) We know that slope between two points (x1, y1) & (x2, y2) is m = (π¦_2 β π¦_1)/(π₯_2 β π₯_1 ) Here x1 = 3, y1 = β2, & x2 = β1, y2 = 4 Putting values Slope = (4 β (β2))/(β1 β 3) = (4 + 2)/( β4) = 6/( β4) = ( βπ)/π