Geo2.5

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Find the slope of the straight line joining $(-3,8),(10,5)\,$

Slope of the line joining $(x_1,y_1),(x_2,y_2)\,$ is

$\frac{y_2-y_1}{x_2-x_1}\,$

Hence

$\frac{5-8}{10+3}\,$

$\frac{-3}{13}\,$

Now the slope is -3/13.

Main Page:Geometry:Straight Lines-I

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