document.write( "Question 89877:  How would you find the points that the graphs of the equation in the following systems have in common?
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document.write( "x^2+y^2=4
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document.write( "x=y \n" );
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| Algebra.Com's Answer #65238 by checkley75(3666)      You can put this solution on YOUR website! FIRST I WOULD PLOT THEM & SEE IF THERE IS ANY OBVIOUS SOLUTION. \n" ); document.write( " \n" ); document.write( "+4). \n" ); document.write( "OR SET X=Y & SOLE FOR Y IN THE FIRST EQUATION \n" ); document.write( "Y^2+Y^2=4 \n" ); document.write( "2Y^2=4 \n" ); document.write( "Y^2=4/2 \n" ); document.write( "Y^2=2 \n" ); document.write( "Y=+/-1.414 ANSWER. \n" ); document.write( "X=Y=+/-1.414 ANSWER. \n" ); document.write( " |