SOLUTION: Find the x value so that the line through the points (x,-9) and (0,1) has a slope of -4
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Question 1174363: Find the x value so that the line through the points (x,-9) and (0,1) has a slope of -4
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
slope is change in y over change in x, and go in the same direction
so 1-(-9)/0-x = -4
10/-x=-4
x=2.5
(2.5, -9) and (0, 1)
check in the other direction
-9-1/2.5=-4
x=2.5
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