Factor by grouping.9x2 + x - 8
A. (9x - 1)(x + 8)
B. (9x - 8)(x + 1)
C. (9x + 8)(x - 1)
D. (9x + 1)(x - 8)
Answer: B
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Find an explicit formula for an.0, 0, 2, 2, 0, 0, 2, 2, . . .
A. an = 1 + (-1)n(n-1) B. an = 1 + (-1)n(n+1) C. an = 1 + (-1)(n(n+1))/2 D. an = 1 - (-1)n(n-1)
Evaluate the improper integral or state that it is divergent.
A. 1.6667 B. Divergent C. 1.3333 D. 2.6667
The following question refers to a country with five states. There are 240 seats in the legislature, and the populations of the states are given in the table below.
Under Hamilton's method, the apportionments to each state are
A. State A: 11; State B: 19; State C: 109; State D: 97; State E: 4. B. State A: 10; State B: 19; State C: 110; State D: 97; State E: 4. C. State A: 10; State B: 18; State C: 110; State D: 98; State E: 4. D. State A: 10; State B: 19; State C: 111; State D: 97; State E: 3. E. none of these
If ?XWZ ? ?ZYX and ?XWZ + ?WZY = 180°, then WXYZ is a _______________.
Fill in the blank(s) with the appropriate word(s).