The inequality is .
Related quadratic equation is .
Find the intercepts.
\Find the -intercept by substituting
in
.
Solve for .
and
and
The -intercepts are
and
.
Find the -intercept by substituting
in
.
-intercept is
.
Find the vertex of above quadratic function .
Compare with .
,
and
.
Since , then the parabola open upward.
coordinate of vertex is
.
Vertex .
Graph the quadratic equation .
Draw the coordinate plane.
\Plot the intercepts and vertex.
\Connect the plotted points.
\
Since the inequality symbol is , the solutions
are not
included in the solution of the inequality.
\The graph is below the
-axis for
and
.
The inequality solution set is .