Change the logarithmic expression to an equivalent expression involving an exponent.log416 = 2
A. 416 = 2
B. 42 = 16
C. 162 = 4
D. 24 = 16
Answer: B
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Find the root. If the root is not a real number, so state.
A. 
B. - 
C. 
D. - 
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
< 0
A. (-8, 1)
B. (-?, -8)
C. (-?, -8) or (1, ?)
D. (1, ?)
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."2x3 - 26x2 + 84x
A. 2x(x + 6)(x + 7) B. x(x + 6)(2x + 14) C. x(2x + 6)(x + 7) D. 2x(x - 6)(x - 7)
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = 7x2 - 14x + 2
A. f(x) = 7(x + 2)2 + 58 vertex: (-2, 58) B. f(x) = 7(x + 1)2 + 23 vertex: (-1, 23) C. f(x) = 7(x - 1)2 - 5 vertex: (1, -5) D. f(x) = 7(x - 2)2 + 16 vertex: (2, 16)