Factor completely. If a polynomial cannot be factored, say it is prime.x9 - 1
A. (x2 - 1)(x6 + x3 + 1)
B. (x3 - 1)(x6 + x3 + 1)
C. (x3 + 1)(x6 - x3 - 1)
D. (x2 + 1)(x6 - x3 - 1)
Answer: B
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Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. linear; positive B. quadratic; negative C. quadratic; positive D. linear; negative
Write the improper fraction as a mixed number.
A. 15
B. 
C. 14
D. 13
Write the function g in terms of the function f where the graph of g is given by the following transformations of the graph of f. The graph of f(x) = x4 shifted right 2 units and compressed horizontally by a factor of 
.
A. g(x) = f(5(x + 2))
B. g(x) = f(5(x - 2))
C. g(x) = f
D. g(x) = f(-5(x - 2))
Find the LCM.10xy, 15x2
A. 30x3y B. 30x2y C. 30xy3 D. 30xy