Question 879587
 <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
line perpendicular to {{{y = green(3)x-6}}}, m = 3
New line:  m = (-1/3) thru P(4,1)
***Using point-slope form, {{{y - y[1] = m(x - x[1])}}}
  y -1 = (-1/3)(x-4)
   y = (-1/3)x + 4/3 + 1
   y = (-1/3)x + 7/3
or
 x + 3y = 7 in standard form