document.write( "Question 761443: If u=<-2,1> and v=<3,2>, then -7u+3v is?\r
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document.write( "I got <23,-1>, is this correct?\r
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document.write( "If not, please explain how you go the answer. \n" );
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Algebra.Com's Answer #466549 by tommyt3rd(5050) You can put this solution on YOUR website! -7u+3v=\r \n" ); document.write( "\n" ); document.write( "-7<-2,1>+3<3,2>=\r \n" ); document.write( "\n" ); document.write( "<14,-7>+<9,6>=\r \n" ); document.write( "\n" ); document.write( "<23,-1>\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "yes it is correct :) \n" ); document.write( " |