x2 + y2 + 10x − 14y + 65 = 0

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Fnynq24

Mathematics

Question Description

Find the center and the radius of the given circle.

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Explanation & Answer

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x^2 + y^2 + 10x − 14y + 65 = 0

x^2+10x+25+y^2-14y+49-(25+49)+65=0
(x+5)^2+(y-7)^2=25+49-65=9
thus the center is (-5,7), radius is 3

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Sngva Zraunm (1755)
Carnegie Mellon University

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