
David S. answered 04/29/20
Wise Math Tutor
Since this line goes through the point (0,0) it has a y intercept of zero
Using the slope intercept form of the equation y = mx + b
b = 0 in this case so y = mx + 0 or simply y = mx
since the slope is -1/3 then the answer is y = -1/3x or y = -x/3