document.write( "Question 619052: Please Help!\r
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document.write( "\"the graph of x+3y-2z=20 contains which point?\"\r
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document.write( "A. (0,10,5)
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document.write( "B.(2,6,2)
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document.write( "C.(6,8,5)
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document.write( "D.(0,0,-10)\r
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document.write( "I had A as my answer and it was wrong.\r
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document.write( "Thanks so much! \n" );
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Algebra.Com's Answer #389292 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! \"the graph of x+3y-2z=20 contains which point?\"\r \n" ); document.write( "\n" ); document.write( "A. (0,10,5) \n" ); document.write( "B.(2,6,2) \n" ); document.write( "C.(6,8,5) \n" ); document.write( "D.(0,0,-10)\r \n" ); document.write( "\n" ); document.write( "I had A as my answer and it was wrong. \n" ); document.write( "---------------- \n" ); document.write( "x+3y-2z=20 \n" ); document.write( "A. (0,10,5) \n" ); document.write( "0 + 3*10 - 2*5 =? 20 \n" ); document.write( "30 - 10 = 20 so A is on the plane. \n" ); document.write( "---------------- \n" ); document.write( "B. (2,6,2) \n" ); document.write( "2 + 3*6 - 2*2 =? 20 \n" ); document.write( "16 <> 20 B is not \n" ); document.write( "------------------ \n" ); document.write( "C. (6,8,5) \n" ); document.write( "6 + 3*8 - 2*5 =? 20 \n" ); document.write( "30 - 10 = 20 C is on the plane \n" ); document.write( "------------ \n" ); document.write( "Check D \n" ); document.write( " |