SOLUTION: Find the slope of the line that passes through the pair of points (–1, –9) and (–3, 10).

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Question 219478: Find the slope of the line that passes through the pair of points (–1, –9) and (–3, 10).
Answer by Alan3354(69443) About Me  (Show Source):
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Find the slope of the line that passes through the pair of points (–1, –9) and (–3, 10).
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Slope, m = diffy/diffx
m = (-9-10)/(-1+3)
m = -19/2