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What is the slope of the line passing through the points (1, 2) and (5, 4) ?

User The Photon
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\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad(\stackrel{x_2}{5}~,~\stackrel{y_2}{4})\\\\\\ slope = m\implies\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{4-2}{5-1}\implies \cfrac{2}{4}\implies \cfrac{1}{2}

User Marcantoine
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