Points (1,4) and (4,2) lie on line K. What is the slope of the line that is perpendicular to K?

asked May 25, 2018 95.2k views

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4 votes

Slope: (y2-y1)/(x2-x1)

(2-4)/(4-1) = -2/3

Perpendicular: negative reciprocal

Negative reciprocal of -2/3: 3/2

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