Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. x2 - y2 - 2x - 4y - 4 = 0
A. (y - 1)2 - (x + 2)2 = 1
B. (x - 1)2 - (y + 2)2 = 1
C. (x - 1)2 + (y + 2)2 = 1
D. 
- 
= 1
Answer: B
Mathematics
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