Question 323297
Use the method of completing the square to find the standard form of the quadratic function. State the vertex and exis of symmetry of the graph of the function.
f(x)=x^2+8x+9 
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y = x^2+8x+(16) + 9-16
y = (x+4)^2-7
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Vertex: (-4,-7)
Axis: x = -4
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Cheers,
Stan H.