document.write( "Question 138797: find the vertex of the parabola represented by each equation.\r
\n" ); document.write( "\n" ); document.write( "1) y=2x^-6x+6\r
\n" ); document.write( "\n" ); document.write( "2) y=3x^+4x=5
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Algebra.Com's Answer #101266 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "find the vertex of the parabola represented by each equation.
\n" ); document.write( "1) \"y=2x%5E2-6x%2B6\" \r
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document.write( "The vertex of the parabola whose equation is \"y=Ax%5E2%2BBx%2BC\" is\r\n" );
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document.write( "(\"-B%2F%282A%29\", \"-D%2F%284A%29\")\r\n" );
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document.write( "where \"D\" = the discriminant \"B%5E2-4AC\"\r\n" );
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document.write( "For \"y=2x%5E2-6x%2B6\",\r\n" );
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document.write( "\"A=2\", \"B=-6\", \"C=6\" \r\n" );
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document.write( "\"D+=+B%5E2-4AC+=+%28-6%29%5E2-4%282%29%286%29+=+36-48+=+-12\"\r\n" );
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document.write( "So vertex = (\"-B%2F%282A%29\", \"+-D%2F%284A%29+\" ) = (\"-%28-6%29%2F%282%282%29%29\", \"-%28-12%29%2F%284%282%29%29\") = (\"6%2F4\", \"12%2F8\") = (\"3%2F2\", \"3%2F2\")\r\n" );
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\n" ); document.write( "\n" ); document.write( "2) \"y=3x%5E2%2B4x=5\"\r
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document.write( "You mistyped that one because it should not have two equal signs. But it's \r\n" );
document.write( "done the same way.\r\n" );
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document.write( "If the second equal sign was supposed to have been a +, then \r\n" );
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document.write( "vertex = (\"-2%2F3\",\"11%2F3\")\r\n" );
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document.write( "If the second equal sign was supposed to have been a -, then \r\n" );
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document.write( "vertex = (\"-2%2F3\",\"-19%2F3\")\r\n" );
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document.write( "Edwin
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