Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 2) and (0, -2); foci at (0, 9) and (0, -9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: C
Mathematics
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Find the indicated limit or state that it does not exist.
7x(x + 9)(x - 2)
A. 504 B. -1008 C. -5040 D. 1008
Mathematics
Solve.A rectangular board is 14 ft by 18 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board? Round to one decimal place if necessary.
A. 7.0 ft B. 3.3 ft C. 5.7 ft D. 2.0 ft
Mathematics
Write the given integers in order from least to greatest.22, -|1|, -(-7), -|-10|
A. -|1|, -|-10|, 22, -(-7) B. -|-10|, -(-7), -|1|, 22 C. -(-7), 22, -|1|, -|-10| D. -|-10|, -|1|, 22, -(-7)
Mathematics
Multiply or divide as indicated.(-2) ? (-5) ? (-6) ? (-9) ? (-10)
A. 5400 B. -32 C. -5400 D. 32
Mathematics