  PRE-ALGEBRA
ALGEBRA 1
GEOMETRY
ALGEBRA 2
TRIGONOMETRY
PRE-CALCULUS
CALCULUS    Pre-Calculus, 9th edition PAGE: 292 SET: Exercises PROBLEM: 1
Please look in your text book for this problem Statement   The inequality is .

Add to each side.  Add to each side.  Divide each side by .  The inequality solution set is .  The inequality is .

Related quadratic equation is Find the intercepts.

Find the -intercept by substituting in . Solve for .   or  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 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 above the -axis when or .

The inequality solution set is .     . TESTIMONIALS
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