Question 429396
Convert the general form of the circle given into standard form. 
2x^2 + 2y^2 − 20x − 8y + 50 = 0
Divide thru by 2:
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x^2-10x+a + y^2-4y+b = -25+a+b
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x^2-10x+25 + y^2-4y+4 = -25+25+4
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(x-5)^2 + (y-2)^2 = 4
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Cheers,
Stan H.
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