The inequality is .
Related quadratic equation is .
Find the intercepts.
\Find the -intercept by substituting
in
.
Solve for .
or
or
The -intercepts are
or
.
Find the -intercept by substituting
in
.
-intercept is
.
Find the vertex of above quadratic function .
.
Compare it to .
,
.
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
or
are not included in the solution of the inequality.
The graph is above the -axis for
or
.
The inequality solution set is .