SOLUTION: Find the axis of symmetry. y = x^2 + x – 3

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Question 104537: Find the axis of symmetry.
y = x^2 + x – 3

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the axis of symmetry.
y = x^2 + x – 3
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x^2+x+? = y+3+?
x^2+x+(1/2)^2 = y+3+(1/2)^2
(x+(1/2))^2 = y+(13/4)
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Vertex: (-1/2, -13/4)
Axis of symmetry: x = -1/2
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Cheers,
Stan H.