Question 22820
First find the slope:

{{{m=Y2-Y1/X2-X1}}}
{{{m=-4-(-3)/9-3}}}
{{{m=-4+3/3}}}
m={{{-1/3}}}

Choosen Points: (6,-3)
y=-3, x=6
{{{-3=-1(6)/3+b}}}
{{{-3=-2+b}}}
b=-1


{{{y=-1x/3-1}}}