document.write( "Question 818958: How to get the standard equation from 9x^2+9y^2-441 and it a circle \n" ); document.write( "

Algebra.Com's Answer #492874 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "Standard Form of an Equation of a Circle is  
\n" );
document.write( "where Pt(h,k) is the center and r is the radius
\n" );
document.write( "9x^2+9^y2-441 = 0  |Note the use of ^ (upper case 6)
\n" );
document.write( "9x^2+9y^2 = 441    |dividing each term on both sides of the EQ by 9
\n" );
document.write( "    r = 7 \n" );
document.write( "

\n" );