document.write( "Question 176179: Give exact and approximate solutions to three decimal places.
\n" ); document.write( "X^2-7x+7=0
\n" ); document.write( "Exact solutions are
\n" ); document.write( "Approx. to 3 decimals are
\n" ); document.write( "Thank you for your help
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #131279 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2-7x%2B7=0\"$
\n" ); document.write( "Use the quadratic formula,
\n" ); document.write( " $\"x+=+%28-%28-7%29+%2B-+sqrt%28+%28-7%29%5E2-4%2A1%2A7+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%287+%2B-+sqrt%28+49-28+%29%29%2F%282%29+\"$
\n" ); document.write( "Exact solutions:
\n" ); document.write( " $\"x+=+%287+%2B-+sqrt%28+21+%29%29%2F%282%29+\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "Approximate solutions:
\n" ); document.write( " $\"x%5B1%5D+=+%287+%2B+sqrt%28+21+%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B1%5D+=+%287+%2B+4.583%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B1%5D+=+%2811.583%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B1%5D+=+5.791+\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"x%5B2%5D+=+%287+-+sqrt%28+21+%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B2%5D+=+%287+-+4.583%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B2%5D+=+%282.417%29%2F%282%29+\"$
\n" ); document.write( " $\"x%5B2%5D+=+1.209\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-2%2C+7%2C+-10%2C+10%2C+x%5E2-7x%2B7%29+\"$
\n" ); document.write( " \n" ); document.write( "

\n" );