Find the nth term of the given infinite series for which 
2 + 
+ 
+ 
+ ...
A. 
B. 
C. 
D. 
Answer: D
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 9x8 + 9x6 + 4x4 + 4x2 + 3
A. 0 positive; 0 negative B. 0 positive; 0 or 2 negative C. 0 or 2 positive; 0 negative D. 4 positive; 0 negative
Write a system of equations associated with the augmented matrix. Do not try to solve.
A. 3x1 + 3x2 + 5x3 = - 2 5x1 + 7x3 = - 4 3x1 + 6x2 = - 2 B. 3x1 - 3x2 + 5x3 = - 2 5x1 + 7x3 = 4 3x1 + 6x2 = 2 C. 3x1 + 3x2 + 5x3 = - 2 5x1 + 7x3 = 4 3x1 + 6x2 = 2 D. 3x1 + 3x2 + 5x3 = 2 5x1 + 7x3 = 4 3x1 + 6x2 = 2
Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (1, 2) B. (1, -2) C. (2, -1) D. (2, 1)
Perform the indicated operations.92 + 11 ? 6 - (8 + 4 ? 2)
A. 123 B. 147 C. 536 D. 131