document.write( "Question 282777: The number of ordered pair solutions (x, y) with real coordinates of the system\r
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document.write( "3x^2 − y^2 = 3
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document.write( "5x^2 − 2y^2 = 2
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document.write( "(A) 0 (B) 1 (C) 2 (D) 3 (E) 4 \n" );
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Algebra.Com's Answer #205319 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 3x^2 − y^2 = 3 \n" ); document.write( "5x^2 − 2y^2 = 2 \n" ); document.write( "6x^2 - 2y^2 = 6 Eqn 1 times 2 \n" ); document.write( "--------------- Subtract \n" ); document.write( "x^2 = 4 \n" ); document.write( "x = ± 2 \n" ); document.write( "------- \n" ); document.write( "Sub for x into either eqn \n" ); document.write( "--> y = ± 3 \n" ); document.write( "------------- \n" ); document.write( "(-2,-3) \n" ); document.write( "(-2,3) \n" ); document.write( "(2,3) \n" ); document.write( "(2,-3) \n" ); document.write( "--> 4 intersections \n" ); document.write( " \n" ); document.write( " |