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through (2,4)  perp. to y=2/7x-5

 Jun 28, 2018
edited by chitsuii  Jun 28, 2018
 #1
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Perpendicular lines have negative reciprocal slopes.....so....the slope of the line we want will be -7/2

 

So  we have

 

y  = m ( x - x1)  + y1          where  m is the slope and  (x1, y1)  = ( 2,4)

 

y  = (-7/2) ( x - 2)  + 4         simplify

 

y = (-7/2)x + 7 + 4

 

y = (-7/2)x + 11    [  in slope-intercept form ]

 

 

cool cool cool

 Jun 28, 2018

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