Observe the figure the points are ,
,
and
.
The line passing through the points and
is
.
Consider the points and
.
The line equation is .
Observe the figure:
\The shaded region in the figure is below the line, hence the inequality is .
Consider the points and
.
The line equation is .
Observe the figure:
\The shaded region in the figure shaded region is left to the line, hence the inequality is .
Consider the points and
.
The line equation is .
Observe the figure:
\The shaded region in the figure is above the line, hence the inequality is .
Consider the points and
.
The line equation is .
Observe the figure:
\The shaded region in the figure is right to the line, hence the inequality is .
Therefore,the constraints are
\The constraints are
\.