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प्रश्न
Find the slope of the line passing through the points A(-2, 1) and B(0, 3).
उत्तर
`"Slope of a line passing through 2 points "(x_1, "y"_1) " and "(x_1,"y"_1)=(("y"_2-"y"_1)/(x_2-x_1))`
`"Slope of a line passing through 2 points (-2, 1) and (0, 3)"=((3-1)/(0+2))=2/2=1`
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संबंधित प्रश्न
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Given: Points A(–1, –1), B(0, 1) and C(1, 3)
Slope of line AB = `(square - square)/(square - square) = square/square` = 2
Slope of line BC = `(square - square)/(square - square) = square/square` = 2
Slope of line AB = Slope of line BC and B is the common point.
∴ Points A, B and C are collinear.
