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In the standard (x,y) coordinate plane, what is the slope of the line joining the points (3,7) and (4,-8)
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In the standard (x,y) coordinate plane, what is the slope of the line joining the points (3,7) and (4,-8)

User Kayo Lima
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m = dy / dx = (y2-y1) / (x2-x1) = (-8-7) / (4 - 3) = -15
User Kalsowerus
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