document.write( "Question 213444: Suppose that a circle has an equation of the form x^2 + y^2 =r^2, r>0. What is the center of the circle? What is the radius of the circle? \r
\n" );
document.write( "\n" );
document.write( "I am lost since there aren't any numbers to plug into the equation.... \n" );
document.write( "
Algebra.Com's Answer #161208 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! The center is at (0,0) and the radius is r. That's it!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need additional help with Circles, you may want to check out my website by doing a \"Bing\" search for my last name \"Rapalje\". Look for \"Rapalje Homepage\" at the top of the search list, and choose the link on my homepage \"Math in Living Color.\" Click on \"College Algebra\", and look for Section 2.04 \"The Circle\" at this link. My non-traditional explanation should be easier to understand than your textbook! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired \n" ); document.write( "Seminole Community College \n" ); document.write( "Altamonte Springs Campus \n" ); document.write( "Florida \n" ); document.write( " |