Write as the sum and/or difference of logarithms. Express powers as factors.log 
A. log(x - 1) + log(x2 + x + 1) - 3 log x
B. log 1 - 3 log 1 - 3 log x
C. log(x - 1) + log(x2 + 1) - 3 log x
D. log x3 - log 1 - 3 log x
Answer: A
Mathematics
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A. 
B. 369
C. 
D. 27
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Graph the given equation, indicating vertices, foci, and asymptotes (if it is a hyperbola).16y2 - 9x2 = 144
A. 
B. 
C. 
D. 
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Solve the equation by using the quadratic formula.
+ x + 
= 0
A. {-12 + 
}
B. {6 + 
}
C. {6 - 
, 6 + 
}
D. {-6 - 
, -6 + 
}
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Find the greatest common factor, GCF, of the expressions.x6y9, x5y8, xy9, x2y6
A. x2y2 B. x2y6 C. xy6 D. xy
Mathematics