document.write( "Question 864760: I need to find the answer to the following question:
\n" );
document.write( "Find the radius of the sphere represented by the following equation: 2x^2+2y^2+2z^2-4x+1=0\r
\n" );
document.write( "\n" );
document.write( "I've tried a million times and just can't figure it out. Any help would be appreciated! \n" );
document.write( "
Algebra.Com's Answer #521267 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! sphere with center (0,0,0) and radius r ⇒ x^2 + y^2 + z^ 2 = r^2. \n" ); document.write( " \n" ); document.write( "2x^2+2y^2+2(z-2)^2 -4 + 1 =0 \n" ); document.write( " x^2 + y^2 + (z-2)^2 = 3/2 , r^2 = 3/2 \n" ); document.write( " |