Question 899944
x = -y/3 + 1
3x = -y + 1
y = -3x + 1


This is a line with slope -3 and y-intercept 1.

{{{graph(300, 200, -10, 10, -10, 10, -3x+1)}}}


x > -3y + 9
3y > -x + 9
y > -x/3 + 3


This is a line with slope -1/3 and y-intercept 3. Shade above the line.


{{{graph(300, 200, -10, 10, -10, 10, -x/3+3)}}}