Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse having a focus at (0, -2
) and directrix y = - 
.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Determine if the series converges absolutely, converges, or diverges.
A. converges absolutely B. diverges C. converges conditionally
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Determine whether the following is a difference of squares.64 - y2
A. Yes B. No
Mathematics
Evaluate the integral.
A. 
(e - 1)2
B. 
(e - 1)2
C. 
(e2 - e)2
D. 
(e2 - e)2
Mathematics
Find the value of the indicated variable for the values given.P = 2L + 2W; determine L when P = 22 and W = 4
A. 7 B. 11 C. 18 D. 9
Mathematics