Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 + 1)(x2 + 1)(x + 1)(x - 1)
B. prime
C. (x4 - 1)2
D. (x2 - 1)4
Answer: A
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Determine whether the argument is valid or invalid.If Ann so wishes, then Bill will be the president. Manuel is a public defender or Bill will be the president. Manuel is not a public defender. Therefore, Ann does not so wish.
A. Invalid B. Valid
Write an equation in slope-intercept form of the line satisfying the given conditions.Parallel to the line x = -8; containing the point (4, 6)
A. x = 6 B. x = 4 C. y = -8 D. y = 6
The equation of a parabola is given. Determine if the parabola is horizontal or vertical, the way the parabola opens, and the vertex.x = 2(y - 10)2 - 3
A. vertical; opens upward; (10, -3) B. horizontal; opens to right; (-3, 10) C. vertical; opens upward; (-10, -3) D. horizontal; opens to right; (-3, -10)
A game has payoff matrix 
. To find the optimal strategy for C, one may
A. minimize z1 + z2 subject to 
B. minimize z1 + z2 subject to 
C. maximize z1 + z2 subject to 
D. maximize z1 + z2 subject to 
E. none of these