For individual or collaborative investigation
Inequalities that involve more than two factors, such as
can be solved using an extension of the method shown in Examples. Work Exercise, to see how the method is extended.
On a single number line, graph the intervals that satisfy the inequality, including endpoints. This is the graph of the solution set of the inequality. Write the solution set in interval notation.
EXAMPLE SOLVING A QUADRATIC INEQUALITY
Figure
EXAMPLE SOLVING A QUADRATIC INEQUALITY
Figure
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