Mr. Nealy is taking the entire class to his favorite Chinese food spot for lunch. The lunch special is $8.95 for any entree, an
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For this case we have that by definition, the roots, or also called zeros, of the quadratic function are those values of x for which the expression is 0.
Then, we must find the roots of:
Where:
We have to:
Substituting we have:
By definition we have to:
So:
Thus, we have two roots:
Answer:
