SOLUTION: I have to solve using quadratic formula.
x^2-11x+30.25
Algebra.Com
Question 878213: I have to solve using quadratic formula.
x^2-11x+30.25
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
a=1, b=11, c=30.25
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(-b+-(b^2-4ac))/2a
(-11+-(121-121))/2
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one real answer, the vertex
-11/2=-4.5
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