The inequality is .
Find the intercepts.
\Find the -intercept by substituting
in
.
Solve for .
The -intercepts are
.
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.
\
Observe the graph:
\The inequality touches the
-axis at one point and is greater than zero for all values of
is not a solution of the inequality .
is not a solution of the inequality .