Find the vertices of the hyperbola.
- 
= 1
A. (5, 4) and (5, -6)
B. (2, -1) and (8, -1)
C. (-5, 6) and (-5, -4)
D. (-8, 1) and (-2, 1)
Answer: C
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Compute the product, expressing the answer in lowest terms.
× 
A. 
B. 
C. 
D. 
The proprietor of Qwik Film Lab recently purchased $12,400 of new film-processing equipment. She expects that this investment, which has a useful life of 4 yr, will yield returns of $4,400 at the end of the first year, $5,200 at the end of the second year, $4,300 at the end of the third year, and $3,100 at the end of the fourth year. Find the internal rate of return on the investment. ? Round your answer to the nearest hundredth, if necessary. ? __________ % per yr
Fill in the blank(s) with the appropriate word(s).
Use the properties of logarithms to write the expression as a single logarithm.
?
?
A. 
B. 
C. 
D. 
E. 
Find all complex-number solutions by using the quadratic formula.x2 + x + 6 = 0
A. 
B. 
C. 
D. 