document.write( "Question 472607: Find the determinant of the matrix [-1,-2]
\n" ); document.write( "-----------------------------------[8,4]\r
\n" ); document.write( "\n" ); document.write( "a.0
\n" ); document.write( "b.12
\n" ); document.write( "c.-30
\n" ); document.write( "d.-10
\n" ); document.write( "e.20
\n" ); document.write( "

Algebra.Com's Answer #323985 by stanbon(75887)\"\" \"About 
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Find the determinant of the matrix [-1,-2]
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\n" ); document.write( "\n" ); document.write( "Ans: (-1*4)-(-2*8)
\n" ); document.write( "= -4-(-16)
\n" ); document.write( "= -4+16
\n" ); document.write( "= 12
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "=================\r
\n" ); document.write( "\n" ); document.write( "a.0
\n" ); document.write( "b.12
\n" ); document.write( "c.-30
\n" ); document.write( "d.-10
\n" ); document.write( "e.20
\n" ); document.write( "
\n" );