The system of inequalities are
,
and
. \ \
Graph:
\Graph the inequalities are
,
and
:

Observe the graph:
\The coordinates are
and
.
Solve the equations
and
.
Solve the equations.
\
(First equation)
(Substitute
)
(Multiply)
(Apply additve inverse property:
)
The vertices of the triangle are at
,
and
.
Graph of the inequalities are
,
and
is

The vertices of the triangle are at
,
and
.