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Find the Center and the Radius of the Circle x2+y2+10x−2y+18=0x ^ { 2 } + y ^ { 2 } + 10 x - 2 y + 18 = 0

Question 4

Multiple Choice

Find the center and the radius of the circle.
- x2+y2+10x−2y+18=0x ^ { 2 } + y ^ { 2 } + 10 x - 2 y + 18 = 0


A) center (5,−1) ( 5 , - 1 ) , radius =22= 2 \sqrt { 2 }
B) center (5,−1) ( 5 , - 1 ) , radius =8= 8
C) center (−5,1) ( - 5,1 ) , radius =8= 8
D) center (−5,1) ( - 5,1 ) , radius =22= 2 \sqrt { 2 }

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