document.write( "Question 243532: Solve the system of equations by graphing. Then classify the system.\r
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document.write( "x+y=7
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document.write( "x-y=-1 \n" );
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Algebra.Com's Answer #178398 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system of equations by graphing. Then classify the system. \n" ); document.write( "x+y=7 \n" ); document.write( "x-y=-1 \n" ); document.write( "--- \n" ); document.write( "Solve each equation for \"y\": \n" ); document.write( "y = -x+7 \n" ); document.write( "y = x+1 \n" ); document.write( "----- \n" ); document.write( "Plot two two points for each equation and draw a line thru them: \n" ); document.write( "For y = -x+7 \n" ); document.write( "Let x = 0, then y = 7 giving you (0,7) \n" ); document.write( "Let x = 2, then y = 5 giving you (2,5) \n" ); document.write( "------------------- \n" ); document.write( "For y = x+1 \n" ); document.write( "Let x = 0, then y = 1 giving you (0,1) \n" ); document.write( "Let x = 2, then y = 3 giving you (2,3) \n" ); document.write( "-------------------- \n" ); document.write( "Plot each pair of points and draw the lines to get the graphs. \n" ); document.write( "-------------------- \n" ); document.write( " \n" ); document.write( "========================================== \n" ); document.write( "The two lines meet at (3,4) so that is the solution \n" ); document.write( "for the system of equations. \n" ); document.write( "-------------------------------------------- \n" ); document.write( "Solution: (3,4) \n" ); document.write( "Class: consistent \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |