5. 試問以點\( (-2, 2) \)為圓心,半徑為2的圓方程式為何?
(A)\( (x+2)^2+(y-2)^2=2 \)
(B)\( (x+2)^2+(y-2)^2=4 \)
(C)\( (x-2)^2+(y+2)^2=2 \)
(D)\( (x-2)^2+(y+2)^2=4 \)

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