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Flauer [41]
3 years ago
6

Find the equation of the line that is perpendicular to 2x-5y=20 and passes through the point (7,-8

Mathematics
1 answer:
MrMuchimi3 years ago
4 0
Hello : 
<span>2x-5y=20
calculare the slope: 
5y = 2x-20
y =(2/5)x -4 
the slope is (2/5).
let : a   the slope of the line </span>perpendicular <span>to 2x-5y=20 
 a×(2/5) = -1
a = -5/2
an equation is : y+8 = (-5/2)(x-7)... (equation in point slope form )</span>
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