document.write( "Question 822012: find the vertex of the parabola y^2 + 8x - 6y + 1 = 0 \n" ); document.write( "
Algebra.Com's Answer #494587 by richwmiller(17219)\"\" \"About 
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y^2 + 8x - 6y + 1 = 0
\n" ); document.write( "parabola
\n" ); document.write( "focus | (-1, 3)
\n" ); document.write( "vertex | (1, 3)
\n" ); document.write( "semi-axis length | 2
\n" ); document.write( "focal parameter | 4
\n" ); document.write( "eccentricity | 1
\n" ); document.write( "directrix | x = 3
\n" ); document.write( "
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