document.write( "Question 1017823: A. Write down the matrix M of the linear transformation
\n" ); document.write( "M: (x,y)---->(kx+y, 3x+ky)\r
\n" ); document.write( "\n" ); document.write( "B. If the image of (-1, 2) under M is (a. -7), find the value of a\r
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Algebra.Com's Answer #634043 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Given:\r\n" );
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document.write( "Therefore:\r\n" );
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document.write( "   -k+2 = a, -3+2k = -7\r\n" );
document.write( "                2k = -4\r\n" );
document.write( "                 k = -2\r\n" );
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document.write( "-(-2)+2 = a  \r\n" );
document.write( "    2+2 = a\r\n" );
document.write( "      4 = a\r\n" );
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document.write( "Edwin

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