Test the equation for symmetry with respect to the given axis, line, or pole.r = -2 cos ?; the polar axis
A. May or may not be symmetric with respect to the polar axis
B. Symmetric with respect to the polar axis
Answer: B
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Perform the indicated operation. Write the answer in the form a + bi.
(cos 16° + i sin 16°) ? 
(cos 14° + i sin 14°)
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Perform the indicated operation. Express your answer in simplest form.
- 
A. 
B. 
C. 
D. 
Use the line graph to answer the question.Beginning with 1984, Lisa purchased a car every four years. The line graph illustrates the average fuel mileage in miles per gallon for each car. Between which two consecutive purchases did the greatest increase occur?
A. It is not possible to answer this question using the line graph. B. 1984 to 1988 C. 1992 to 1996 D. 1996 to 2000
Name the conic.
A. hyperbola B. ellipse C. circle D. parabola