document.write( "Question 182550: Quadratic Function\r
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document.write( "Find the a: vertex
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document.write( " b: domain
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document.write( " c: range
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document.write( "of f(x) = -2x^2 - 4x +3 \n" );
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Algebra.Com's Answer #137027 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Quadratic Function \n" ); document.write( "Find the a: vertex \n" ); document.write( "b: domain \n" ); document.write( "c: range \n" ); document.write( "of f(x) = -2x^2 - 4x +3 \n" ); document.write( "---------------- \n" ); document.write( "Put in vertex form: \n" ); document.write( "2x^2 + 4x + ? = -y + 3 + ? \n" ); document.write( "2(x^2+2x + 1) = -y + 3 + 2 \n" ); document.write( "2(x+1)^2 = -y + 5 \n" ); document.write( "(x+1)^2 = (-1/2)y + (5/2) \n" ); document.write( "(x+1)^2 = (-1/2)(y - 5) \n" ); document.write( "---------- \n" ); document.write( "Vertex: (-1,5) \n" ); document.write( "domain: all Real Numbers \n" ); document.write( "Range: all Real Numbers <= 5 \n" ); document.write( "----------------------------------- \n" ); document.write( " \n" ); document.write( "=================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |