document.write( "Question 65137: Find the center, radius, and x- and y-intercepts of the circle given by the equation 3x2 + 3y2 - 6x + 5y = 0. \n" ); document.write( "
Algebra.Com's Answer #45636 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the center, radius, and x- and y-intercepts of the circle given by the equation 3x2 + 3y2 - 6x + 5y = 0. \n" ); document.write( "-------- \n" ); document.write( "Divide thru by 3 to get: \n" ); document.write( "x^2-2x+y^2+(5/3)y=0 \n" ); document.write( "Complete the square, as follows: \n" ); document.write( "(x^2-2x+1)+(y^2+(5/3)y+(5/6)^2)=1+(25/36) \n" ); document.write( "(x-1)^2+(y+(5/6))^2 =61/36 \n" ); document.write( "Center: (1,-(5/6)) \n" ); document.write( "Radius: [sqrt(61)]/6 \n" ); document.write( "x-intercepts: \n" ); document.write( "Let y=0 then x^2-2x=0; then x=0 or x=2; Intercepts at (0,0) and (2,0) \n" ); document.write( "---------- \n" ); document.write( "y-intercepts: \n" ); document.write( "Let x=0, then y^2+(5/3)y=0; y=0 or y=(-5/3): Interceps at (0,0), and (0,-5/3) \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "3(x^2-2x+1)+3(y^2+(5/3)y+(5/6)^2) = 3+3(5/6)^2 \n" ); document.write( "3(x-1)^2 + 3(y+(5/6))^2 = 108/36 + 25/36 \n" ); document.write( "3(x-1)^2 + 3(y+(5/6))^2 = 133/36 \n" ); document.write( "(x-1)^2 + (y+(5/6))^2= 133/108 \n" ); document.write( " \n" ); document.write( " |