Hi

line j is perpendicular to line k

slope of line j = 5/2

slope of line k = -2/5

Note: slopes of perpendicular lines are negative reciprocals of one another

that is: 5/2*-2/5 = -1 

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
 The letter used for slope is .

If the slope of a given line is , then

any line perpendicular to this line will have

a slope equal to 

given:



slope of perpendicular line =

 

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