document.write( "Question 870471: Tell whether the ordered pair is a solution of the given system: Show your work PLEASE!\r
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document.write( "Ordered Pair: (2,-2)\r
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document.write( "System of Inequalities:\r
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document.write( "y < x-3
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document.write( "y > -x+3\r
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document.write( "http://prntscr.com/3ga3w0\r
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document.write( "copy & paste the link ^^ above to see the ordered pair please, I couldn't write it because it wont let me please help and thank you! \n" );
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Algebra.Com's Answer #524879 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! If the ordered pair, or point, (2,-2) was a solution to the system of inequalities, then it has to make ALL of the inequalities true inequalities (ie true statements). \n" ); document.write( "Something like 1 < 5 is true because 1 is indeed less than 5. \n" ); document.write( "On the other hand, 1 > 5 is false because 1 is smaller than 5 (not the other way around).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To determine if (2,-2) is a solution to the system, we simply plug in (x,y) = (2,-2) into each inequality individually. \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's plug in (x,y) = (2,-2) into y < x-3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y < x-3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 < 2-3 .... plug in (x,y) = (2,-2), ie plug in x = 2, y = -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 < -1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The last inequality -2 < -1 is true since -2 is less than -1. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's plug in (x,y) = (2,-2) into y > -x+3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y > -x+3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 > -(2)+3 .... plug in (x,y) = (2,-2), ie plug in x = 2, y = -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 > -2 + 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 > 1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The last inequality -2 > 1 is false since -2 is really smaller than -1 (not larger).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So (x,y) = (2,-2) makes y < x-3 true, but it makes y > -x+3 false.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To be a solution to the system, it has to make ALL of the inequalities of that system true. Because at least one is false (ie not all are true), (x,y) = (2,-2) is NOT a solution to the system.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "=================================================================================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Final Answer: (2,-2) is NOT a solution to the system. \n" ); document.write( " |