SOLUTION: Find the value of x so that the slope of the line through (2,9) and (x,-3) is 3/8.

Algebra ->  Rational-functions -> SOLUTION: Find the value of x so that the slope of the line through (2,9) and (x,-3) is 3/8.      Log On


   

Question 994309: Find the value of x so that the slope of the line through (2,9) and (x,-3) is 3/8.
Answer by Alan3354(69443) About Me  (Show Source):
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Find the value of x so that the slope of the line through (2,9) and (x,-3) is 3/8.
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slope = diffy/diffx
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3/8 = (-3-9)/(x-2) = -12/(x-2)
3(x-2) = -96
x-2 = -32
x = -30