document.write( "Question 374190: Find an equation of the circle that has its center at (3,-1) and passes through the point (-2,2) \n" ); document.write( "

Algebra.Com's Answer #266286 by Fombitz(32388) $\"\"$ $\"About$

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Use the general equation of a circle centered at (h,k) with a radius of R.
\n" ); document.write( " $\"%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"%28-2-3%29%5E2%2B%282-%28-1%29%29%5E2=R%5E2\"$
\n" ); document.write( " $\"%28-5%29%5E2%2B3%5E2=R%5E2\"$
\n" ); document.write( " $\"R%5E2=25%2B9\"$
\n" ); document.write( " $\"R%5E2=34\"$
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\n" ); document.write( " $\"highlight%28%28x-3%29%5E2%2B%28y%2B1%29%5E2=34%29\"$
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