SOLUTION: Find the vertex of the graph of the following quadratic function. -2^2-8x-5 The vertex is: Type the ordered pair

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Find the vertex of the graph of the following quadratic function. -2^2-8x-5 The vertex is: Type the ordered pair      Log On


   

Question 1073646: Find the vertex of the graph of the following quadratic function.
-2^2-8x-5
The vertex is: Type the ordered pair
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I assume you mean y=-2x%5E2-8x-5
Complete the square,
y=-2%28x%5E2%2B4x%29-5
y=-2%28x%5E2%2B4x%2B4%29-5%2B2%284%29
y=-2%28x%2B2%29%5E2-5%2B8
y=-2%28x%2B2%29%5E2%2B3
(-2,3)
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