document.write( "Question 810515: If a,b,c are real numbers such that a^2+2b=7, b^2+4c=-7, c^2+6a=-14, then the value of a^2+b^2+c^2 is equal to:
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document.write( " (A) 14 (B) 21 (C) 28 (D) 35
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document.write( "This query was already on your website. I have made a few changes though! \n" );
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Algebra.Com's Answer #488209 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a = -3, b = -1, c = -2, \n" ); document.write( "a^2+b^2+c^2 = 14 \n" ); document.write( "(A) 14 \n" ); document.write( " |