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mathstudent55 Group TitleBest ResponseYou've already chosen the best response.0
This is a parabola that opens up. Multiply out the right side using FOIL. Then write it in the form: \(f(x) = ax^2 + bx + c \) Then \(x = \dfrac{b}{2a} \) gives you the equation of the axis of symmetry. The vertex is on the axis of symmetry, so if you plug in \(\dfrac{b}{2a} \) for x in the equation of the parabola, you'll get the y coordinate of the vertex.
 one year ago

aliera95 Group TitleBest ResponseYou've already chosen the best response.0
(1,9) ?
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.0
I have no way of checking since you removed rthe problem.
 one year ago
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