document.write( "Question 1180605: Which elementary row operation will reduce the x - element in row 2 to 0 in this matrix? \r
\n" ); document.write( "\n" ); document.write( "1 1 1|12 (first row)
\n" ); document.write( "2 1 0|14 (second row)
\n" ); document.write( "2 0 3|19 (third row)\r
\n" ); document.write( "\n" ); document.write( "a. 2R1 + R2
\n" ); document.write( "b. 2R3 - R2
\n" ); document.write( "c. -2R1 + R2
\n" ); document.write( "d. R1 + R2
\n" ); document.write( "

Algebra.Com's Answer #810319 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Option C, the only option of four offered options.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "It is OBVIOUS.\r\n" );
document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Responded and solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "//////////\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In this problem, it is assumed that the offered options all replace the second row by the newly calculated row.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );