Find an equation for the ellipse described.Center at (0, 0); focus at (0, -3); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.D2y + 2 Dy + 17y = 0; y = 0 when x = 0 and y = e-?/8 when x = ?/8
A. y = e-x cos 4x B. y = e-x sin 4x C. y = e-x (C1 sin 4x + C2 cos 4x) D. y = ex sin 4x
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.36 - x2
A. (6 + x)2 B. (6 - x)(6 + x) C. prime D. (6 - x)2
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 14z
C. 
D. 
Mathematics