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Mathematics, 29.01.2020 00:47 norinashanleyc

X2 + y2 + 4x – 2y = < a
the equation of a circle in the xy-plane is shown
above. what is the radius of the circle?
a) 2
b) 3
c) 4
d) 9

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X2 + y2 + 4x – 2y = < a
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