Question

Choose the equation of the line passing through the point (4, -2) and perpendicular to y =1/3x - 7.

y = -3x - 14

y = 3x - 10

y = -3x + 10

y = 3x + 14

Answer 1

y=mx+C
if its perpendicular then the slope is -3
y=-3x+c
plug in (4,-2)
-2=-3(4)+c
c=-2+12 = 10
so the equation is y=-3x+10