Write the equation for a line perpendicular to y = 3x – 2 through (0, 6).

Answer 1

slope is the negative inverse of 3 or -1/3

y=(-1/3)x + b, to calculate b plug in x=0, y=6

6 = (-1/3)(0) +b

b = 6

y=(-1/3)x + 6

or

3y=-x + 18

or

x+3y = 18