Graph the hyperbola. Give the coordinates of the center as well as the values of a and b.16x2 - 4y2 = 64
A. center (0, 0), a = 4, b = 2
B. center (0, 0), a = 2, b = 4
C. center (0, 0), a = 2, b = 4
D. center (0, 0), a = 4, b = 2
Answer: C
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 6x3 - 8x2 + 8x + 5
A. 
B. 
C. 
D. 
Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 160 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 504 sec B. 448 sec C. 392 sec D. 560 sec
Perform the indicated conversion within metric units of length.606 centimeters to meters
A. 6.06 m B. 60,600 m C. 60.6 m D. 6060 m
Solve the problem.Ryanne's imported car has a gas tank that holds 63 liters of gas. She filled her tank at the beginning of a trip and used 5 gallons during the trip. How many liters of gas remained in her tank at the end of the trip? Round your answer to the nearest hundredth if necessary.
A. 61.68 L B. 18.95 L C. 301.77 L D. 44.05 L