Find the exact value of tan(9?).
A) 1 B) 0 C) –1 D) Undefined
B) 0
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Solve.
2 + 3 
+ 2 = 0
A. ±
, ±
B. ±
C. ±
, ±
D. 
, 
Find the equation of the hyperbola with the given characteristics.center at the origin, vertices at (7, 0) and (-7, 0), asymptotes y = 
x and y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Express as a sum of logarithms.log4(257 ? 228)
A. log4257 + log4228 B. log2574 + log2284 C. log458,596 + log458,596 D. log44 + log257257 + log228228
Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = -20(y + 3)
A. vertex: (-1, -3) focus: (-1, -8) directrix: y = 2 B. vertex: (1, 3) focus: (1, -2) directrix: y = 8 C. vertex: (-1, -3) focus: (-1, 2) directrix: x = -8 D. vertex: (-3, -1) focus: (-3, -6) directrix: y = 4