Find the center and the radius of the circle with the equation:
x^2 - 2x + y^2 + 4y + 1 = 0.
...
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Mathematics, 16.10.2020 18:01 rubixcube4786434
Find the center and the radius of the circle with the equation:
x^2 - 2x + y^2 + 4y + 1 = 0.
A). center: (1,2)
radius: 4
B). center (2, -4)
radius: 1
C). center: (1, 2)
radius: 2
D). center: (1, -2)
radius: 2
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