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Example Questions
Example Question #311 : Equations / Inequalities
Solve:
Possible Answers:
and
and
and
and
None of the other answers
Correct answer:
and
Explanation:
To solve, we must set it equal to zero. The above expression is of the form , so we can use the quadratic formula:
to solve for the roots which are and
We can check by plugging the roots into the expression and making sure that it equals zero.
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