Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 + 4x - 4y - 3 = 0
A. a. center = (-2, 2); radius = 
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
B. a. center = (-2, -2); radius = 
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
C. a. center = (-2, 2); radius = 
b. (-2 + 
, 0), (0, 2 + 
)
D. a. center = (2, -2); radius = 
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
Answer: A
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Graph the pair of equations on the same set of axes. Graph the equation on the left using a solid line and the function on the right with a dashed line. y = 3-x,
x = 3-y
A. 
B. 
C. 
D. 