document.write( "Question 282489:
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document.write( "The vertex of the function\r
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document.write( "f(x) = x^2 + 6x +7 \n" );
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Algebra.Com's Answer #205172 by user_dude2008(1862) ![]() You can put this solution on YOUR website! x=-b/2a=(-6)/(2*1) = -3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(-3)=(-3)^2+6(-3)+7=9-18+7=-9+7=-2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: Vertex is (-3,-2) \n" ); document.write( " |