Question 63957
2x-6y<= 0 [solve for y]
-6y<=-2x
y>=-2x/6 [switch the signs when multiplying or dividing by a negative number]
y>=1/3x [draw the boundary line at y=1/3x.  Use a solid line since the line is also 'equal to'.]
.
[shade all points greater than or equal to the line.  that is, shade above or greater than the line]

{{{ graph( 300, 200, -6, 5, -10, 10, (1/3)x),  }}}