$\"\"$

\

The function is $\"\"$

\

$\"\"$ $\"\"$

\

$\"\"$

\

$\"\"$

\

Take square root each side.

\

$\"\"$

\

Solutions are $\"\"$ . $\"\"$

\

$\"\"$ $\"\"$

\

The function is $\"\"$

\

$\"\"$

\

$\"\"$

\

Solution is $\"\"$ .

\

$\"\"$

\

$\"\"$ $\"\"$

\

The functions are $\"\"$ and $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Take out common factor.

\

$\"\"$

\

$\"\"$

\

$\"\"$ or $\"\"$

\

Solutions are $\"\"$ or $\"\"$ .

\

$\"\"$

\

$\"\"$ $\"\"$

\

The function $\"\"$

\

$\"\"$

\

To solve the above inequality graph the related quadratic equation $\"\"$ .

\

Find the intercepts.

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The $\"\"$ -intercepts are $\"\"$ , $\"\"$ .

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ -intercept is $\"\"$ .

\

$\"\"$

\

Find the vertex of above quadratic function $\"\"$ .

\

$\"\"$

\

Compare it to $\"\"$ .

\

$\"\"$ , $\"\"$ and $\"\"$ .

\

Since $\"\"$ , then the parabola open downward.

\

$\"\"$

\

$\"\"$ coordinate of vertex is $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Vertex $\"\"$ .

\

$\"\"$

\

Graph

\

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 above the $\"\"$ -axis $\"\"$ between $\"\"$ and $\"\"$ . The inequality solution set is $\"\"$ .

\

\

$\"\"$ $\"\"$

\

The function is $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Multiply each side by negative one and flip the symbol.

\

$\"\"$

\

Divide each side by $\"\"$ .

\

$\"\"$

\

$\"\"$

\

The inequality solution set is $\"\"$ .

\

$\"\"$ $\"\"$

\

The functions are $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

To solve the above inequality graph the related quadratic equation $\"\"$ .

\

Find the intercepts.

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ or $\"\"$

\

The $\"\"$ -intercepts are $\"\"$ , $\"\"$ .

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ -intercept is $\"\"$ .

\

$\"\"$

\

Find the vertex of above quadratic function $\"\"$ .

\

$\"\"$

\

Compare it to $\"\"$ .

\

$\"\"$ , $\"\"$ and $\"\"$ .

\

Since $\"\"$ , then the parabola open downward.

\

$\"\"$

\

$\"\"$ coordinate of vertex is $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Vertex $\"\"$ .

\

$\"\"$

\

Graph

\

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 above the $\"\"$ -axis $\"\"$ between $\"\"$ and $\"\"$ . The inequality solution set is $\"\"$ .

\

$\"\"$ $\"\"$

\

The function $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

To solve the above inequality graph the related quadratic equation $\"\"$ .

\

Find the intercepts.

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ or $\"\"$ .

\

The $\"\"$ -intercepts are $\"\"$ , $\"\"$ .

\

Find the $\"\"$ -intercept by substituting $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ -intercept is $\"\"$ .

\

$\"\"$

\

Find the vertex of above quadratic function $\"\"$ .

\

$\"\"$

\

Compare it to $\"\"$ .

\

$\"\"$ , $\"\"$ and $\"\"$ .

\

Since $\"\"$ , then the parabola open downward.

\

$\"\"$

\

$\"\"$ coordinate of vertex is $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Vertex $\"\"$ .

\

$\"\"$

\

Graph

\

Draw the coordinate plane.

\

Plot the intercepts and vertex.

\

Connect the plotted points.

\

\

Since the inequality symbol is $\"\"$ , the solutions $\"\"$ are included in the solution of the inequality.

\

The graph is above the $\"\"$ -axis $\"\"$ between $\"\"$ and $\"\"$ .

\

The inequality solution set is $\"\"$ .

\

$\"\"$

\

$\"\"$ Solutions are $\"\"$ .

\

$\"\"$ Solution is $\"\"$ .

\

$\"\"$ Solutions are $\"\"$ or $\"\"$ .

\

$\"\"$ The inequality solution set is $\"\"$ .

\

$\"\"$ The inequality solution set is $\"\"$ .

\

$\"\"$ The inequality solution set is $\"\"$ .

\

$\"\"$ The inequality solution set is $\"\"$ .