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What is the equation of a line that goes through the point (3, 12) and is perpendicular to the line given by the equation y = -1/3x - 7?


y = -3x - 12

y = -1/3x + 6

y = 3x + 3

y = (1/3x) - 6

Verified Answer :

Ckaranja

Y=3x+3

Perpendicular lines have the product of their gradients =-1
since gradient of line 1 =-1/3
then  gradient of line 2 is
-1/3*m=-1
m=3

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