Find the coordinates of the vertices and foci of the ellipse.y2 = 4(1 - x2)
A. V(-4, 0), V(4, 0), F(-3, 0), F(3, 0)
B. V(-2, 0), V(2, 0), F
, F
C. V(0, -2), V(0, 2), F
, F
D. V(0, -4), V(0, 4), F(0, -3), F(0, 3)
Answer: C
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Solve the problem.The area of the rectangle is represented by y2 + 11y + 18. What is the width? y + 2
A. y - 3 B. y + 3 C. y - 9 D. y + 9
Solve the problem.Students in English class must have an average between 80% and 90%, inclusive, of all work to receive a grade of B. Stan has 76% on homework, 81% on quizzes, and 89% on his research paper. What range of scores on the test would give him a B?
A. 74% or better B. 90% or better C. 65% or better D. 79% or better
Perform the indicated operation and express the answer in decimal notation.
A. 140,000,000,000 B. 0.0000000014 C. 0.00014 D. 14,000
Identify and graph the polar equation.r = 4 sin(2?) 
A. 
rose with two petals
B. 
lemniscate
C. 
circle
D. 
rose with four petals