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a student found the slope of a line that passes through the points (-3,10) and (5,-7) to be 3/8. what mistake did he make?
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a student found the slope of a line that passes through the points (-3,10) and (5,-7) to be 3/8. what mistake did he make?

User Jacob Dam
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1 Answer

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slope = (y2 - y1) / (x2 - x1)
slope = (-7-10) / (5 - (-3)
slope is supposed to be -17/8
I am guessing she made her mistake by adding a negative sign...the student did : (-7 - (-10) / (5 - (-3) = (-7 + 10) / (5 + 3) = 3/8
User Jurez
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