document.write( "Question 555189: Multiply matrix $\"%28matrix%283%2C2%2C%0D%0A%0D%0A3%2C1%2C%0D%0A3%2C2%2C%0D%0A4%2C3%29%29\"$ by matrix $\"%28+matrix%282%2C3%2C%0D%0A%0D%0A7%2C2%2C1%2C%0D%0A6%2C8%2C-2%29%29\"$ \n" ); document.write( "

Algebra.Com's Answer #361677 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Here is the formula for multiplying a \"3 down by 2 across\" matrix \r\n" );
document.write( "by a \"2 down by 3 across\" matrix.  The matrix you get when you \r\n" );
document.write( "multiply twn matrices gets its \"down dimension\" from the first\r\n" );
document.write( "matrix and its \"across dimension\" from the second matrix: \r\n" );
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document.write( "· = \r\n" );
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document.write( "Use that formula and you'll get this answer, which is \"3 down by 3 across\":\r\n" );
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document.write( "· = \r\n" );
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document.write( "Edwin

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