document.write( "Question 31750: Question:
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document.write( "Solve the system:
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document.write( "x^2+y^2=64
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document.write( "x+y=8\r
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document.write( "(A) {[0,0), (8,-8)}\r
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document.write( "(B) {(0,8), (8,0)}\r
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document.write( "(C) {(8,-8), (-8,-8)}\r
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document.write( "(D) {(0,-8), (-8,0)}\r
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document.write( "Thank you very much! \n" );
document.write( "
Algebra.Com's Answer #18361 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! x^2+y^2=64..................I \n" ); document.write( "x+y=8 ....Y=8-X \n" ); document.write( "SUBSTITUTING IN EQN.I \n" ); document.write( "X^2+(8-X)^2=64 \n" ); document.write( "X^2+64+X^2-16X=64 \n" ); document.write( "2X^2-16X=0 \n" ); document.write( "2X(X-8)=0 \n" ); document.write( "X=0 OR 8 \n" ); document.write( "SO Y=8 OR 0 \n" ); document.write( "B IS THE ANSWER \n" ); document.write( " |