Question 976070
 x-3y=2 
rewrite in slope intercept form and just get the slope

-3y=-x+2
divide by (-3)
y= (x/3)-(2/3)

The perpendicular line has a slope of -3, the negative reciprocal.

point slope formula

y-y1=m(x-x1)

y-4 = -3x
y=-3x+4


{{{graph(300,300,-10,10,-10,10,(x/3)-(2/3),-3x+4)}}}