Solve and check.
= 7 - 
A. x = 8
B. x = 
C. x = 
D. x = 9
Answer: D
Mathematics
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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, 3) and (0, -3)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number. 
- 
A. 
B. 
C. 
D. 
Mathematics
Divide using long division.(18x3 + x2 - 126x - 7) ÷ (9x2 - 63)
A. 2x + 9
B. 2x + 
C. 2x + 
D. 2x + 
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
- 7
- 2
A. -9
B. -9
C. -63
D. -63
Mathematics