Factor by grouping.xy + y + 9x + 9
A. (x + 1)(y + 9)
B. (x + 9)(y + 1)
C. (x + 1)(9y + 9)
D. (9x + 9)(y + 1)
Answer: A
Mathematics
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Find the first four terms of the binomial series for the given function.(1 + 7x)1/3
A. 1 + 
x + 
x2 + 
x3
B. 1 + 
x - 
x2 + 
x3
C. 1 + 
x - 
x2 + 
x3
D. 1 - 
x + 
x2 - 
x3
Mathematics
Multiply. 
A. 20 B. 18 C. 16 D. 27
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a focus at (12, 0) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 3, x = 0
A. 18?
B. 
?
C. 
?
D. 9?
Mathematics