document.write( "Question 991385: Find the center and radius of the circle: x^2+y^2-4x+10y-3=0 \n" ); document.write( "
Algebra.Com's Answer #611267 by Timnewman(323)![]() ![]() You can put this solution on YOUR website! Hi dear, \n" ); document.write( "Comparing \n" ); document.write( "x²+y²-4x+10y-3=0 with the general form of equation of a circle;x²+y²+2gx+2fy+c=0 \n" ); document.write( "From the above, \n" ); document.write( "2g=-4 \n" ); document.write( "g=-2, \n" ); document.write( "also, \n" ); document.write( "2f=10 \n" ); document.write( "f=5 \n" ); document.write( "The centre of the \n" ); document.write( "circle is (2,-5). \n" ); document.write( "Also, \n" ); document.write( "r²=g²+f²-c \n" ); document.write( "r²=2²+5²-(-3) \n" ); document.write( "r²=4+25+3 \n" ); document.write( " \n" ); document.write( "HOPE THIS HELPS? \n" ); document.write( " |