document.write( "Question 921569: The Vertex of This Parabola is at (3,5). When the y-value is 6, the x-value is -1 what is the coefficient of the squared term in the parabola's equation?
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Algebra.Com's Answer #559068 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
The Vertex of This Parabola is at (3,5). When the y-value is 6, the x-value is
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document.write( "\"y+=+a%28x-h%29%5E2%2Bk\"\r\n" );
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document.write( "The Vertex of This Parabola is at (3,5)\r\n" );
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document.write( "So (h,k) = (3,5)\r\n" );
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document.write( "\"y+=+a%28x-3%29%5E2%2B5\"\r\n" );
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document.write( "When the y-value is 6, the x-value is -1\r\n" );
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document.write( "\"6+=+a%28-1-3%29%5E2%2B5\"\r\n" );
document.write( "\"6+=+a%28-4%29%5E2%2B5\"\r\n" );
document.write( "\"6+=+a%2816%29%2B5\"\r\n" );
document.write( "\"6+=+16a%2B5\"\r\n" );
document.write( "\"1+=+16a\"\r\n" );
document.write( "\"1%2F16+=+a\"  <-- that's the answer as we shall see:\r\n" );
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document.write( "\"y+=+expr%281%2F16%29%28x-3%29%5E2%2B5\"\r\n" );
document.write( "\"y+=+expr%281%2F16%29%28x%5E2-6x%2B9%29%2B5\"\r\n" );
document.write( "\"y+=+expr%281%2F16%29x%5E2-expr%283%2F8%29x%2B9%2F16%2B5\"\r\n" );
document.write( "\"y+=+expr%281%2F16%29x%5E2-expr%283%2F8%29x%2B9%2F16%2B80%2F16\"\r\n" );
document.write( "\"y+=+expr%281%2F16%29x%5E2-expr%283%2F8%29x%2B89%2F16\"\r\n" );
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document.write( "So the coefficient of the squared term is \"1%2F16\".\r\n" );
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document.write( "Edwin
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