document.write( "Question 1078231: Using Gauss-Jordan elimination, put the following
\n" ); document.write( "matrix in reduced row-echelon form. Thanks a lot.
\n" ); document.write( "
\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #692749 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "On your TI-84 graphing calculator, press \r\n" );
document.write( "the following keys in this exact order: \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ON\r\n" );
document.write( "CLEAR\r\n" );
document.write( "2ND\r\n" );
document.write( "x-1\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "1\r\n" );
document.write( "3\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "4\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "2                       <--upper left element of matrix\r\n" );
document.write( "ENTER\r\n" );
document.write( "(-)\r\n" );
document.write( "1\r\n" );
document.write( "ENTER\r\n" );
document.write( "3\r\n" );
document.write( "ENTER\r\n" );
document.write( "24\r\n" );
document.write( "ENTER\r\n" );
document.write( "0\r\n" );
document.write( "ENTER\r\n" );
document.write( "2\r\n" );
document.write( "ENTER\r\n" );
document.write( "-1\r\n" );
document.write( "ENTER\r\n" );
document.write( "14\r\n" );
document.write( "ENTER\r\n" );
document.write( "7\r\n" );
document.write( "ENTER\r\n" );
document.write( "(-)\r\n" );
document.write( "5\r\n" );
document.write( "ENTER\r\n" );
document.write( "0\r\n" );
document.write( "ENTER\r\n" );
document.write( "6                       <--lower right element of matrix            \r\n" );
document.write( "ENTER       \r\n" );
document.write( "2ND\r\n" );
document.write( "MODE\r\n" );
document.write( "2ND\r\n" );
document.write( "x-1\r\n" );
document.write( "►  (Right arrow key)\r\n" );
document.write( "ALPHA\r\n" );
document.write( "APPS\r\n" );
document.write( "2ND\r\n" );
document.write( "x-1\r\n" );
document.write( "1\r\n" );
document.write( ")\r\n" );
document.write( "MATH\r\n" );
document.write( "ENTER\r\n" );
document.write( "ENTER\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );