Find the vertices of the hyperbola.16x2 - 4y2 - 192x - 32y + 448 = 0
A. (-8, 4) and (-4, 4)
B. (-6, 8) and (-6, 0)
C. (6, 0) and (6, -8)
D. (4, -4) and (8, -4)
Answer: D
Mathematics
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Simplify using the zero-power rule.(-4)0
A. 1 B. -1 C. 4 D. 0
Mathematics
Compute AB, if possible.A = [ -7 -2 5] and B = 
A. [10 7 61]
B. not possible
C. 
D. 
Mathematics
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46
Mathematics
Solve the problem.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 
on earth weighs 38.6 lb on the Moon. How much would a 187-lb person weigh on the Moon?
A. 935 lb B. 37.4 lb C. .2 lb D. 418.6 lb
Mathematics