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Nuetrik [128]
3 years ago
8

Write an equation perpendicular to x-3y=3 passes through (5,-9)

Mathematics
1 answer:
kherson [118]3 years ago
8 0
3y=x-3
y=1/3x-1
Perpendicular slope: -3
y=-3x+b
Plug in the coordinates in the equation:
-9=-3(5)+b
-9=-15+b
4=b
Equation: y=-3x+4
Also, when finding the perpendicular slope you take the reciprocal of the original slope and make it negative if it is positive and make it positive if it’s negative.
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