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!
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Algebra.Com's Answer #521267 by ewatrrr(24785)\"\" \"About 
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( "\"2x%5E2%2B2y%5E2%2B2z%5E2-4x%2B1=0+\"
\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
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