The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 1/2, x = 9
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Rewrite the fraction with the denominator indicated.Write 
with a denominator of 22.
A. 
B. 
C. 
D. 
Mathematics
Find the first 4 terms of the recursively defined sequence.a1 = -4, an + 1 = an + 2
A. 0, 2, 4, 6 B. -4, 2, 4, 6 C. -2, 0, 2, 4 D. -4, -2, 0, 2
Mathematics
Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the transverse axis of the hyperbola.16(y + 1)2 - 9(x + 2)2 = 144
A. x = 2 B. x = -2 C. y = 1 D. x = -1
Mathematics