SOLUTION: If the equation of a parabola is y = 9(x - 2)2 + v, and its vertex is (2, -4), what is the value of v in the equation?

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: If the equation of a parabola is y = 9(x - 2)2 + v, and its vertex is (2, -4), what is the value of v in the equation?       Log On


   

Question 419781: If the equation of a parabola is y = 9(x - 2)2 + v, and its vertex is (2, -4), what is the value of v in the equation?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If the equation of a parabola is y = 9(x - 2)2 + v, and its vertex is (2, -4), what is the value of v in the equation?
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If you let x = 2 from the vertex pair, you get y = v
So v must be -4 in the vertex pair.
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Cheers,
Stan H.
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