Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 + 2x - 4y - 1 = 0
A. a. center = (1, -2); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 2 + 
), (0, 2 - 
)
B. a. center = (-1, -2); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 2 + 
), (0, 2 - 
)
C. a. center = (-1, 2); radius = 
b. (-1 + 
, 0), (0, 2 + 
)
D. a. center = (-1, 2); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 2 + 
), (0, 2 - 
)
Answer: D
Mathematics
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