x2 + y2 − 2x +10y +9 = 0

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- March 12th 2011, 01:19 AMphiljerryfind the center of the circle and radius from this equation.x2 + y2 − 2x +10y +9 = 0
- March 12th 2011, 01:23 AMmr fantastic
- March 12th 2011, 01:24 AMProve It
Complete the square on the terms, complete the square on the terms, and move any remaining constants to the RHS.

This will put the equation into the required form, i.e. .