document.write( "Question 561509: What is the vertex of g(x)=x^2+9x+18 \n" ); document.write( "
Algebra.Com's Answer #364278 by stanbon(75887)\"\" \"About 
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What is the vertex of g(x)=x^2+9x+18
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\n" ); document.write( "Vertex occurs at x = -b/(2a) = -9/(2*1) = -4.5
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\n" ); document.write( "g(-4.5) = (-4.5)^2+9(-4.5)+18 = -2.25
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\n" ); document.write( "Vertex(-4.5 , -2.25)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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