document.write( "Question 696220: x^2+6x-16 symmetric point and axis of symmetry. \n" ); document.write( "
Algebra.Com's Answer #428852 by stanbon(75887)\"\" \"About 
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x^2+6x-16 symmetric point and axis of symmetry.
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\n" ); document.write( "y = x^2+6x + ? -16 - ?
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\n" ); document.write( "y = x^2 + 6x + 9 -16 -9
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\n" ); document.write( "y = (x+3)^2 - 25
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\n" ); document.write( "Vertex:: (-3,-25)
\n" ); document.write( "Axis ::: x = -3
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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