Perform the indicated operation. Assume that variables represent positive numbers.
A. 4x2
B. 2x2
C. 6x4
D. 2x4
Answer: B
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Express the number in scientific notation..000000054906
A. 5.4906 x 108 B. 5.4906 x 10-9 C. 5.4906 x 10-8 D. 5.4906 x 10-7
Solve the given equation for x.log2
= x
A. 
B. 
C. 
D. 
Assume that variables represent positive real numbers. Replace the radical with rational exponents.
A. (6y)5/2
B. (6y)1/5
C. 6y1/5
D. 
y1/5
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.(y + 2)2 - 9(x - 4)2 = 9
A. center: (4, -2)
transverse axis is parallel to x-axis
vertices: (-4, -3) and (4, 3)
foci: (4, - 
) and (4, 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
B. center: (-4, 2)
transverse axis is parallel to y-axis
vertices: (-4, -1) and (-4, 5)
foci: (-4, 2 - 
) and (-4, 2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
C. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (5, -4) and (5, 2)
foci: (5, -1 - 
) and (5, -1 + 
)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
D. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (4, -5) and (4, 1)
foci: (4, -2 - 
) and (4, -2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)