Which of the following is the equation of a circle that has a diameter of 8 units and…

MATHEMATICS · Single correct · A Level · Mathematics · Coordinate geometry in the (x y) plane · Coordinate geometry in the (x y) plane

Problem

Which of the following is the equation of a circle that has a diameter of 8 units and is tangent to the graph of y=2y = 2 ? (A) (x+1)2+(y+2)2=16(x+1)^2 + (y+2)^2 = 16 (B) (x−1)2+(y−2)2=16(x-1)^2 + (y-2)^2 = 16 (C) (x+2)2+(y+1)2=16(x+2)^2 + (y+1)^2 = 16 (D) (x−2)2+(y−1)2=16(x-2)^2 + (y-1)^2 = 16

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