document.write( "Question 1142478: How do I determine the quadratic equation when the vertex is (3,-4) and the given point is (2,1)?
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Algebra.Com's Answer #763179 by josgarithmetic(39616)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"y=a%28x-3%29%5E2-4\"\r
\n" ); document.write( "\n" ); document.write( "\"y%2B4=a%28x-3%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y%2B4%29%2F%28x-3%29%5E2=a\"\r
\n" ); document.write( "\n" ); document.write( "\"a=%281%2B4%29%2F%282-3%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"a=5%2F1%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"a=5\"\r
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