Describe the graph of the polar equation. r = 50 sin ?
A. Ellipse centered at the origin with intercepts (±1, 0) and (0, ±25)
B. Horizontal line passing through (0, 50)
C. Circle with radius 25 and center (0, 25)
D. Parabola opening upward with vertex at (0, 25)
Answer: C
Mathematics
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Using a calculator, evaluate to four decimal places.ln 0.000777
A. 3.1096 B. 7.1601 C. -7.1601 D. -3.1096
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Write the sum without sigma notation and evaluate it.
A. 
+ 
+ 
+ 
= 10
B. 
+ 
+ 
+ 
= 
C. 
+ 
= 
D. 
? 
? 
? 
= 7
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A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (-4, 3), Q = (-8, 9)
A. 
B. 
C. 
D. 
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