document.write( "Question 135889: This question is from my College Algebra Class Notes and Work Guide. It deals with Cramer's Rule.\r
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document.write( "{-3 4 -4}
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document.write( "{-3 K -1} = 58
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document.write( "{1 4 -2}\r
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document.write( "The numbers in the braquet, are all in one large bracket and then they all equal 58. I'm just not sure where to do with it. \n" );
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Algebra.Com's Answer #99552 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! I suspect you are supposed to solve for K.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To calculate the value of a 3X3 determinant, create a 5X3 matrix by repeating the first two columns to the left of the original 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next you perform the following calculation: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The three complete 3-factor diagonal products down right summed minus the three complete 3-factor diagonal products up right summed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In your case:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You can check the arithmetic yourself, but it reduces to \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |