document.write( "Question 707702: What is the equation of a circle with center (5,-7) and diameter 6? \n" ); document.write( "
Algebra.Com's Answer #435830 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! What is the equation of a circle with center (5,-7) and diameter 6? \n" ); document.write( ". \n" ); document.write( "Standard form of a circle is: \n" ); document.write( "(x-h)^2 + (y-k)^2 = r^2 \n" ); document.write( "where \n" ); document.write( "(h,k) is the vertex or center \n" ); document.write( "and \n" ); document.write( "r is the radius \n" ); document.write( ". \n" ); document.write( "if diameter is 6 \n" ); document.write( "radius (r) is 6/2 or 3 \n" ); document.write( ". \n" ); document.write( "Plug into circle equation: \n" ); document.write( "(x-5)^2 + (y-(-7))^2 = 3^2 \n" ); document.write( "(x-5)^2 + (y+7)^2 = 9 \n" ); document.write( " \n" ); document.write( " |