Question

See attachment to help.

Answer 1

Hello,

The line passing by (0,6) and (2,0) has for equation 3x+y-6=0.
The origine (0,0) is in the region 3*0+0-6=-6 : negative.
So 3x+y-6>0  is the  region positive.
If the line is taken : 3x+y-6≥0.