Graphically, a point is a solution to a system of two inequalities if and only if the point Olies in the shaded region of the top inequality, but not in the shaded region of the bottom inequality,
Olies in the shaded region of the bottom inequality, but not in the shaded region of the top inequality.
O lies in the shaded regions of both the top and bottom inequalities.
O does not lie in the shaded region of the top or bottom inequalities.