document.write( "Question 577284: What is the x-coordinate of the vertex of the graph of f(x)=-7(x-9)^2+3? \n" ); document.write( "

Algebra.Com's Answer #370367 by jim_thompson5910(35256) $\"\"$ $\"About$

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f(x)=-7(x-9)^2+3 is in vertex form f(x)=a(x-h)^2+k where h = 9 (which is the x coordinate of the vertex). So the x coordinate of the vertex is 9. \n" ); document.write( "

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