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Line p passes through points (-1, 2) and (-3, -5). What is the slope of a line perpendicular to p

 
 Nov 21, 2020
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slope of p  =  [-5 -2]  / [ -3 - -1] =  -7 / -2  = 7/2

 

slope of a perpendicular line has a negative reciprocal slope to p  =    -2/7

 

 

cool cool cool

 
 Nov 21, 2020

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