$\"\"$

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$\"\"$ The inequality is $\"\"$ .

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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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Divide each side by $\"\"$ .

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$ The inequality is $\"\"$ .

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Related quadratic equation is $\"\"$

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Find the intercepts.

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

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$\"\"$

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Solve for $\"\"$ .

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$\"\"$

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$\"\"$

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

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

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

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

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$\"\"$

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$\"\"$

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

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$\"\"$

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

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$\"\"$

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Compare it to $\"\"$ .

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

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

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$\"\"$

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$\"\"$

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$\"\"$ -coordinate of vertex is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Vertex $\"\"$ .

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$\"\"$

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Graph the quadratic equation $\"\"$ .

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Draw the coordinate plane.

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Plot the intercepts and vertex.

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Connect the plotted points.

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Since the inequality symbol is $\"\"$ , the solutions $\"\"$ are not included in the solution of the inequality.

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The graph is above the $\"\"$ -axis $\"\"$ when $\"\"$ or $\"\"$ .

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

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$\"\"$

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

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