Find the slope and the equation of the line through the points (-4,9) and(8,12)

asked Dec 8, 2017 38.7k views

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The formula for a slope is
(y_2 - y_1)/(x_2 - x_1)

. Inserting those values into the equation, we get (12 - 9) / (8 - (-4)) = 3/12 = 1/4

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