document.write( "Question 855433: Please help me to solve this equation:
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document.write( "Graph each of the following:
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document.write( "(41)3x^2+12x+3y^2=63 \n" );
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Algebra.Com's Answer #515342 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! 3x^2+12x+3y^2=63 \n" ); document.write( "complete the square: \n" ); document.write( "3(x^2+4x+2)+3y^2=63+6 \n" ); document.write( "3(x+2)^2+3y^2=69 \n" ); document.write( "(x+2)^2+y^2=23 \n" ); document.write( "This is an equation of a circle with center at (-2,0) and radius=√23 \n" ); document.write( "Its standard form: (x-h)^2+(y-k)^2=r^2, (h,k)=coordinates of center, r=radius \n" ); document.write( "See graph below: \n" ); document.write( "y=(23-(x+2)^2)^.5 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |