Question 300471
9x+8y > 80
8y>-9x+80
y>-9x/8+80/8
y>-9x/8+10
{{{ graph( 300, 200, -6, 15, -10, 12, -9x/8 +10 ) }}} (graph 300x200 pixels, x from -6 to 15, y from -10 to 12, -9x/8 +10).