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Question
Find the slope of the line passing through the points A(4,7) and B(2,3).
Solution
A ≡ (4,7) ≡ (x1, y1) and B ≡ (2,3) ≡ (x2, y2)
`"Slope of line AB "=(("y"_2-"y"_1))/(("x"_2-"x"_1))=(3-7)/(2-4)=(-4)/-2=2`
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