Mathematics, 19.11.2020 03:10, swspanda179400

2. The radius, r, and the coordinates of the centre, C, of the circle with equation
x2 + y2 - 6x + 4y - 12 = 0 are
A. r = 5, C(-2,3)
B. r = 25, C(2,-3)
C. r = 12, C(-3,2)
D. r = 5, C(3,-2)

Answers: 2

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2. The radius, r, and the coordinates of the centre, C, of the circle with equation
x2 + y2 -...