document.write( "Question 125266: For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. \r
\n" ); document.write( "\n" ); document.write( "1. (6 points) f(x) = x2 - 4\r
\n" ); document.write( "\n" ); document.write( "2. (6 points) g(x) = x2 - x - 12
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Algebra.Com's Answer #91822 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=x2-4\"
\n" ); document.write( " \"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( " \"x+=+%28-0+%2B-+sqrt%28+0%5E2-4%2A1%2A%28-4%29+%29%29%2F%282%2A1%29+\"
\n" ); document.write( " \"x+=+%280+%2B-+sqrt%28+16+%29%29%2F%282%29+\"
\n" ); document.write( " \"x+=+%280+%2B-+4%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%280+%2B-+2%29+\"
\n" ); document.write( "\"highlight%28x%5B1%5D=-2%29\"
\n" ); document.write( "\"highlight%28x%5B2%5D=2%29\"
\n" ); document.write( "\"+graph%28+300%2C+300%2C+-5%2C+5%2C+-5%2C+5%2C+x%5E2-4%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28x%29=x%5E2-x-12\"
\n" ); document.write( " \"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( " \"x+=+%28-%28-1%29+%2B-+sqrt%28+1%5E2-4%2A1%2A%28-12%29+%29%29%2F%282%2A1%29+\"
\n" ); document.write( " \"x+=+%281+%2B-+sqrt%28+1%2B48+%29%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%281+%2B-+sqrt%28+49+%29%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%281+%2B-+7%29%2F%282%29+\"
\n" ); document.write( " \"x%5B1%5D+=+%281+%2B+7%29%2F%282%29+\"
\n" ); document.write( "\"x%5B1%5D=8%2F2\"
\n" ); document.write( "\"highlight%28x%5B1%5D=4%29\"
\n" ); document.write( "\"x%5B2%5D+=+%281+-7%29%2F%282%29+\"
\n" ); document.write( "\"x%5B2%5D=-6%2F2\"
\n" ); document.write( "\"highlight%28x%5B2%5D=-3%29\"
\n" ); document.write( "\"+graph%28+300%2C+300%2C+-10%2C+10%2C+-20%2C20%2Cx%5E2-x-12%29+\"
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