document.write( "Question 1071430: Sketch a graph of the quadratic function.
\n" ); document.write( "f(x) = x^2 − 2x − 1\r
\n" ); document.write( "\n" ); document.write( "Give the vertex, axis of symmetry, and intercepts. (If an answer does not exist, enter DNE.)
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Algebra.Com's Answer #686388 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Factorable? Discriminant, \"%28-2%29%5E2-4%2A1%2A%28-1%29=4%2B4=8\". Not really factorable.\r
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\n" ); document.write( "\n" ); document.write( "Complete the Square to put into standard form.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x%2B1-1-1\"
\n" ); document.write( "\"%28x-1%29%5E2-2\"
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\n" ); document.write( "\"f%28x%29=%28x-1%29%5E2-2\"------vertex is at (1,-2).\r
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\n" ); document.write( "\n" ); document.write( "Symmetry Axis: at x=1.\r
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\n" ); document.write( "\n" ); document.write( "Intercepts?
\n" ); document.write( "\"%28x-1%29%5E2=2\"
\n" ); document.write( "\"x-1=0%2B-+sqrt%282%29\"
\n" ); document.write( "\"x=1%2B-+sqrt%282%29\"
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\n" ); document.write( "You can also look for a y-intercept, by letting x=0 and evaluate y. Find f(0).\r
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\n" ); document.write( "\n" ); document.write( "ANSWER SUMMARY
\n" ); document.write( "Vertex (1,-2)
\n" ); document.write( "Axis Of Symmetry x=1
\n" ); document.write( "Roots \"1%2B-+sqrt%282%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"graph%28300%2C300%2C-3%2C5%2C-5%2C3%2Cx%5E2-2x-1%29\"
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