document.write( "Question 450690: The axis of symmetry of a parabola is the line x = 9. What is the x-coordinate of the vertex of the parabola? \n" ); document.write( "
Algebra.Com's Answer #310002 by nerdybill(7384)\"\" \"About 
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What is the x-coordinate of the vertex of the parabola?
\n" ); document.write( "It would be 9
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