Question 460022
Get the equation in y=mx+b slope-intercept form.
{{{x+3y=0}}}
Subtract x from both sides
{{{3y = -x}}}
Divide both sides by 3
{{{y = -x/3}}}
or
{{{y = -(1/3)*x}}}
.
When x=0, y=0:  (0,0)
When x=3, y=-1:  (3,-1)
Plot the points and draw the line.
.
{{{graph(500,500,-10,10,-10,10,-1/3*x)}}}