document.write( "Question 1122298: Find the radii and coordinates of the center of the circles: (i) x^2 + y^2 - 10 = 0 (ii) 36x^2 + 36y^2 - 24x - 36y - 23 = o \n" ); document.write( "
Algebra.Com's Answer #738383 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! rewrite the first as x^2+y^2=10 \n" ); document.write( "radius is sqrt (10) \n" ); document.write( "center is (0, 0)\r \n" ); document.write( "\n" ); document.write( "rewrite second as \n" ); document.write( "36x^2-24x +36 Y^2-36y=23 \n" ); document.write( "divide by 36 \n" ); document.write( "x^2-(2/3)x+y^2-1=23 \n" ); document.write( "complete the square \n" ); document.write( "(x-(1/3))^2+(y-(1/2))^2=23+(1/9)+(1/4) \n" ); document.write( "center is (1/3, 1/2) and radius is sqrt(23 13/36) or sqrt (841/36)=29/6 or 4.8333\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |