What is the slope of any line perpendicular to the line passing through #(7,10)# and #(-3,7)#?

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Answer 1 · 2018-04-23T06:05:20

The slope of the line between the two points is #{10-7}/{7 - - 3} = 3/10# so the slope of any perpendicular will be the negative reciprocal, #-10/3#.