Solve the equation in the complex number system.4x2 - 3x + 1 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write a recursion formula for the sequence.
, 6, 36, 1296, . . .
A. an = (an-1)2, a1 = 
B. an = 
, a1 = 
C. an = 
, a1 = 
D. an = 6an-1, a1 = 
Mathematics
List the indicated feature of the figure.The vertices of
A. Cannot be identified
B. ?ABCF, ?AEDF, ?ABE, ?CFD, ?BCDE
C. 
, 
, 
, 
, 
, 
, 
, 
, 
D. A, B, C, D, E, F
Mathematics
Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 25 miles per hour in 30 minutes, how fast must it travel to cover the same distance in 15 minutes?
A. 18 mph
B. 
mph
C. 
mph
D. 50 mph
Mathematics
Decide whether or not the radical expression represents a real number.
A. Yes B. No
Mathematics