SOLUTION: Find the vertex of the parabola formed by the following quadratic function: y = -x2 – 4x – 9

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Find the vertex of the parabola formed by the following quadratic function: y = -x2 – 4x – 9      Log On


   

Question 325821: Find the vertex of the parabola formed by the following quadratic function: y = -x2 – 4x – 9
Answer by solver91311(24713) About Me  (Show Source):
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The -coordinate of the vertex of a parabola in standard form: is given by:



The -coordinate of the vertex of a parabola in standard form: is given by:




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