Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. hyperbola, directrix is perpendicular to the polar axis at a distance 
units to the left of the pole
B. hyperbola, directrix is perpendicular to the polar axis at a distance 3 units to the right of the pole
C. ellipse, directrix is perpendicular to the polar axis at a distance 
units to the right of the pole
D. ellipse, directrix is perpendicular to the polar axis at a distance 3 units to the left of the pole
Answer: A
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Solve.A gardener is fencing off a rectangular area with a fixed perimeter of 44 ft. What is the maximum area?
A. 2.75 ft2 B. 121 ft2 C. 484 ft2 D. 11 ft2
Use the law of Cosines to solve the given triangle. Round your answer to two decimal places.
?
C = 40°, a = 
, b = 
?
A. A ? 41.21°, B ? 98.79°, c ? 0.13 B. A ? 99.76°, B ? 98.76°, c ? 0.13 C. A ? 98.76°, B ? 41.24°, c ? 0.20 D. A ? 41.24°, B ? 98.76°, c ? 0.20 E. A ? 98.79°, B ? 41.21°, c ? 0.20
Solve.Find the sum: (6y2 - 2) + (7y2 - y + 5)
A. 13y2 - y + 3 B. 13y4 - y + 3 C. 13y2 + y - 3 D. 13y2 - y + 7
Locate the fraction on the number line.
A.
B.
C.
D.
