# SOLUTION: What is the vertex of the parabola f(x)=14x-x^2 I don't know how to insert the small 2 over the x.

Algebra ->  Algebra  -> Quadratic Equations and Parabolas -> SOLUTION: What is the vertex of the parabola f(x)=14x-x^2 I don't know how to insert the small 2 over the x.      Log On

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 Click here to see ALL problems on Quadratic Equations Question 648295: What is the vertex of the parabola f(x)=14x-x^2 I don't know how to insert the small 2 over the x.Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi, What is the vertex of the parabola ||completing the square: y = ax^2 + bx + c ⇒ y = a(x - (-b/2a)^2) - a(-b/2a)^2 + c f(x) = -(x-7)^2 + 49 V(7,49) the vertex form of a Parabola opening up(a>0) or down(a<0), where(h,k) is the vertex ```