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The point-slope form of the equation of a line is y − y1 = m(x − x1), where m is the slope and (x1, y1) is a point on the line. Write the equation of the line in point-slope form perpendicular to the graph of 

 

 

y = 1   x - 9

     2                passing through the point  (8, 3).

 Oct 17, 2018
 #1
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The slope of the given line = 1/2

 

A perpendicular line to this has a negative reciprocal slope  =  -2/1  = -2

 

So....the equation is

 

(y - 3)  = -2 ( x - 8)

 

 

cool cool cool

 Oct 17, 2018

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