Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (0, ±7) and foci (0, ±3)
A. +
= 1
B. +
= 1
C. +
= 1
D. +
= 1
Answer: D
Mathematics
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Solve the problem.If converges, what can be said about
, where k is an integer greater than 1?
A. The series always converges. B. The series always diverges. C. The series may converge or diverge.
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = , csc ? > 0
Find sin
.
A.
B.
C.
D.
Mathematics
Simplify.
A. 4 - a2
B.
C.
D.
Mathematics
Identify the group of terms as like or unlike.15z, -10z
A. Unlike B. Like
Mathematics