Problema Solution
Find the slope of the line passing through the points (a,-9a-5) and (a+h,-9(a-9h)-5)
The slope is ??
Answer provided by our tutors
slope = difference in y / difference in x = (-9(a-9h) - 5 - (-9a - 5)) / (a + h - a) = 81h / h = 81
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