document.write( "Question 1066291: What is the determinant of the following matrix? Does the matrix have an inverse?\r
\n" ); document.write( "\n" ); document.write( "5 4
\n" ); document.write( "2 1\r
\n" ); document.write( "\n" ); document.write( "A. -3, yes
\n" ); document.write( "B. -1, yes
\n" ); document.write( "C. 6, no
\n" ); document.write( "D. 13, yes
\n" ); document.write( "

Algebra.Com's Answer #681560 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"D=5%281%29-2%284%29=5-8=-3\"
\n" ); document.write( "Yes,
\n" ); document.write( "\"A%5E%28-1%29=%28-1%2F3%29%28matrix%282%2C2%2C1%2C-4%2C-2%2C5%29%29\"
\n" ); document.write( "
\n" ); document.write( "
\n" );