SOLUTION: write the quadratic function in vertex form. Then, identify the vertex. x²-16x+56=0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: write the quadratic function in vertex form. Then, identify the vertex. x²-16x+56=0      Log On


   

Question 172668: write the quadratic function in vertex form. Then, identify the vertex.
x²-16x+56=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write the quadratic function in vertex form. Then, identify the vertex.
x²-16x+56=y
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x^2 - 16x + ? = y-56 + ?
x^2 - 16x + 64 = y-56 + 64
(x-8)^2 = y+8
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Vertex: (8,-8)
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Cheers,
Stan H.