Convert the equation to the standard form for a hyperbola by completing the square.x2 - y2 + 6x - 2y + 7 = 0
A. 
- 
= 1
B. (x + 3) 2 + (y + 1) 2 = 1
C. (y + 3) 2 - (x + 1) 2 = 1
D. (x + 3) 2 - (y + 1) 2 = 1
Answer: D
Mathematics
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