document.write( "Question 1003862: Please help \r
\n" ); document.write( "\n" ); document.write( "Find the reduced echelon form of this augmented matrix\r
\n" ); document.write( "\n" ); document.write( " Please!!!!!!!!!! Help me with this problem. Show all work and steps. Thanks \r
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\n" ); document.write( " 3. Find the reduced row echelon form of this augmented matrix
\n" ); document.write( " [1 -4 2 200
\n" ); document.write( " -2 9 -4 150
\n" ); document.write( " 1 -4 3 100] \r
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Algebra.Com's Answer #620480 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "[1 -4  2 200\r\n" );
document.write( "-2  9 -4 150\r\n" );
document.write( " 1 -4  3 100]\r\n" );
document.write( "\r\n" );
document.write( "2R1+R2->R2      2 -8  4 400\r\n" );
document.write( "               -2  9 -4 150 \r\n" );
document.write( "               ------------\r\n" );
document.write( "                0  1  0 550\r\n" );
document.write( "\r\n" );
document.write( "[1 -4  2 200\r\n" );
document.write( " 0  1  0 550\r\n" );
document.write( " 1 -4  3 100]\r\n" );
document.write( "\r\n" );
document.write( "-1R1+R3->R3    -1  4 -2 -200\r\n" );
document.write( "                1 -4  3  100\r\n" );
document.write( "               -------------\r\n" );
document.write( "                0  0  1 -100\r\n" );
document.write( "\r\n" );
document.write( "[1 -4  2  200\r\n" );
document.write( " 0  1  0  550\r\n" );
document.write( " 0  0  1 -100]\r\n" );
document.write( "\r\n" );
document.write( "4R2+R1->R1      0  4  0 2200\r\n" );
document.write( "                1 -4  2  200\r\n" );
document.write( "               -------------\r\n" );
document.write( "                1  0  2 2400\r\n" );
document.write( "\r\n" );
document.write( "[1  0  2 2400\r\n" );
document.write( " 0  1  0  550\r\n" );
document.write( " 0  0  1 -100] \r\n" );
document.write( "\r\n" );
document.write( "-2R3+R1->R3     0  0 -2  200\r\n" );
document.write( "                1  0  2 2400\r\n" );
document.write( "               --------------\r\n" );
document.write( "                1  0  0 2600\r\n" );
document.write( "\r\n" );
document.write( "[1  0  0 2600\r\n" );
document.write( " 0  1  0  550\r\n" );
document.write( " 0  0  1 -100] \r\n" );
document.write( "                \r\n" );
document.write( "Edwin
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