document.write( "Question 1118972: What is the solution of the matrix equation?
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\n" ); document.write( "\n" ); document.write( "A) (6, -2)\r
\n" ); document.write( "\n" ); document.write( "B) (-2, 8)\r
\n" ); document.write( "\n" ); document.write( "C) (4, 2)\r
\n" ); document.write( "\n" ); document.write( "D) (-2, 6)\r
\n" ); document.write( "\n" ); document.write( "Following is a screenshot of the question in case of any mistakes or confusion in the way matrices are formatted (this is the only way I currently know to format matrices) https://postimg.cc/image/j4c8ihtnb/ \n" ); document.write( "

Algebra.Com's Answer #734402 by ikleyn(52873) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "What is the solution of the matrix equation?
\n" ); document.write( "[[2 5][3 7]][[x][y]]=[[2][4]]\r
\n" ); document.write( "\n" ); document.write( "A) (6, -2)\r
\n" ); document.write( "\n" ); document.write( "B) (-2, 8)\r
\n" ); document.write( "\n" ); document.write( "C) (4, 2)\r
\n" ); document.write( "\n" ); document.write( "D) (-2, 6)\r
\n" ); document.write( "\n" ); document.write( "Following is a screenshot of the question in case of any mistakes or confusion in the way matrices are formatted (this is the only way I currently know to format matrices) https://postimg.cc/image/j4c8ihtnb/
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document.write( "To solve this problem, you need piece of paper and a pen (or a pencil).\r\n" );
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document.write( "You also need to know how to multiply a vector with 2 components by 2x2-matrix.\r\n" );
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document.write( "So, in the paper write the matrix and the vector, as you see in the left side from the equality sign \"=\":\r\n" );
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document.write( ". =  = .\r\n" );
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document.write( "The most right side/vector is the final result.\r\n" );
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document.write( "The middle vector is an intermediate step. It shows how to multiply the matrix and the vector.\r\n" );
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document.write( "Now compare your very right vector with the given vector.\r\n" );
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document.write( "They coincide, to your fortune.\r\n" );
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document.write( "It means that the vector (6,-2) of the option A) is the solution to given matrix equation.\r\n" );
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