Find the equation of the hyperbola with the given characteristics.center at the origin, vertices at (0, 7) and (0, -7), asymptotes y = 
x and y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
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Use a reciprocal identity to rewrite this formula.
A. 
B. 5 sin ?
C. 
D. 5 sec ?
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