The system of equations are
.
Graph:
\Graph the system of equations.
\
Observe the graph:
\The intersection points of the system of equation are
and
.
Find the intersection points of system of equations
.
Substitute
in
.

Squaring on both sides.
\
Find the roots of the quadratic equation.
\
If
then
.
If
then
.
Therefore, the intersection points are
and
.
Graph of the system of equations is
\
The intersection points are
and
.