SOLUTION: Give axis and vertex of graph of f(x)=5x^2-30x+2

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Question 630099: Give axis and vertex of graph of f(x)=5x^2-30x+2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Give axis and vertex of graph of f(x)=5x^2-30x+2
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Vertex Information:
minimum occurs when x = -b/(2a) = 30/(2*5) = 3
Axis is a vertical line thru the vertex.
Axis equation is x = 3
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Vertex = ?
f(3) = 5*3^2-30*3+2 = 5*9-90+2 = -43
Vertex = (3,-43)
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graph%28400%2C400%2C-10%2C10%2C-50%2C10%2C5x%5E2-30x%2B2%29
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Cheers,
Stan H.