SOLUTION: Find the slope of a line that is parallel and perpendicular to the given line 7x+9y=-7
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Question 760007: Find the slope of a line that is parallel and perpendicular to the given line 7x+9y=-7
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
7x+9y=-7
or 9y=-7x-7
or y=-7/9x-7/9 comparing with y=mx+c
the slope =m=-7/9
so the slope of line parallel to given line =-7/9
& the slope of line perpendicular to given line =9/7
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