Example 2

Solve [math]x^2 + 8x + 7 ≤ 0[/math]. Graph the solutions on a number line.

[list=1] [*]Replace the inequality sign with an equal sign. [*]Solve the equation. [*]Use a number line and test points to solve the inequality. [*]Solve the inequality and graph the solutions on a number line. [/list] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.