You can put this solution on YOUR website! what is the axis of symmetry of this equation
y=2x^2+8x-2
2(x^2+4x+? = y+2+?
2(x^2+4x+4) = y+2+8
2(x+2)^2 = y+10
y = 2(x+2)^2 - 10
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Axis of symmetry: x = -2
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Cheers,
Stan H.