document.write( "Question 701752: Determine whether the given quadratic function has a maximum value or minimum... Then find the coordinates of the maximum or minimum point. \r
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document.write( "f(x)= x^2+2x-9\r
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document.write( "and \r
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document.write( "f(x)=-x^2-2x-6
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Algebra.Com's Answer #432873 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Determine whether the given quadratic function has a maximum value or minimum... Then find the coordinates of the maximum or minimum point. \n" ); document.write( "f(x)= x^2+2x-9 \n" ); document.write( "complete the square: \n" ); document.write( "f(x)= (x^2+2x+1)-1-9 \n" ); document.write( "f(x)= (x+1)^2-10 \n" ); document.write( "This is a parabola that opens upwards with a minimum of -10 at x=-1 \n" ); document.write( "coordinates:(-1,-10) \n" ); document.write( "and \n" ); document.write( "f(x)=-x^2-2x-6 \n" ); document.write( "f(x)=-(x^2+2x+1)+1-6 \n" ); document.write( "f(x)=-(x+1)^2-5 \n" ); document.write( "This is a parabola that opens downwards with a maximum of -5 at x=-1 \n" ); document.write( "coordinates:(-1,-5) \n" ); document.write( " \n" ); document.write( " |