document.write( "Question 145828: Solve the systems of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent\r
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document.write( "3u+v=16
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document.write( "3u=v+26 \n" );
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Algebra.Com's Answer #106419 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! note: I'm replacing \"u\" with \"x\" and \"v\" with \"y\" so I can graph the equations.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Start with the given system of equations:\r \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( " \n" ); document.write( "\n" ); document.write( "In order to graph these equations, we need to solve for y for each equation.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So let's solve for y on the first equation\r \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( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now lets graph \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( "So let's solve for y on the second equation\r \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( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now lets add the graph of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From the graph, we can see that the two lines intersect at the point (7,-5) \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So this means that the system is consistent and independent. \n" ); document.write( " |