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| PAGE: 317 | SET: Exercises | PROBLEM: 49 |
The inequality is 
.
As the symbol is 
and 
, the solution lies above the 
-axis.
The related function is 
.
Solve the equation.
(Related function)
(Add 
to each side)
(Quadratic formula)
(Substitute 
and 
)
(Multiply)
(Simplify)
or (Write into two equations)
or 
(Simplify)
Graph:
Graph the parabola and the -intercepts at 
and 
.
Observe the graph:
The graph lies below the -axis between 
and 
.
The solution set of the inequality is 
.
Solution set is 
.
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