SOLUTION: Find the slope of a line perpendicular to the graph of –x = 9y – 6.
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Question 425618: Find the slope of a line perpendicular to the graph of –x = 9y – 6.
Answer by asuar010(338) (Show Source): You can put this solution on YOUR website!
first solve for y in the original equation and that gives
y=-x/9+2/3; the slope of the line perpendicular to that one is the negavite reciprocal of that slope... so the answer is 9.
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