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प्रश्न
Find the slope of a line passing through the given pair of points (-5,-1) and (-9,-7)
उत्तर
Slope of line = `("y"_2 - "y"_1)/("x"_2 - "x"_1)`
= `(-7 + 1)/(-9 - 5) = 3/2`
= 1.5
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