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.
Plot the three solutions in Exercise on a number line.
EXAMPLE SOLVING A QUADRATIC INEQUALITY
Figure
EXAMPLE SOLVING A QUADRATIC INEQUALITY
Figure
Exercise
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.
Use the zero-factor property to solve
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