Find the indicated partial sum for the given sequence.s4, 81, 243, 729, 2187, . . .
A. 3240
B. 9801
C. 2187
D. - 
Answer: A
Mathematics
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Factor.121k2 - 64m2
A. (11k + 8m)(11k - 8m) B. Prime polynomial C. (11k - 8m)2 D. (11k + 8m)2
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Solve the problem.The graph of f(x) = x4 + x3 - 6x2 - x2 - x + 6 is shown below. Use the graph to factor f(x).
A. f(x) = x(x + 3)(x + 1)(x - 1)(x - 2) B. f(x) = -(x + 3)(x + 1)(x - 1)(x - 2) C. f(x) = (x - 3)(x - 1)(x + 1)(x + 2) D. f(x) = (x + 3)(x + 1)(x - 1)(x - 2)
Mathematics
Find a polynomial of least degree with only real coefficients and having the given zeros.1 - 
, 1 + 
, and 1 + i
A. f(x) = x4 + 6x3 + 4x2 - 4 B. f(x) = x4 - 6x3 + 8x2 - 4 C. f(x) = x4 + 3x3 + 4x2 - 1 D. f(x) = x4 - 4x3 + 4x2 - 4
Mathematics
Determine if the matrix is in row-echelon form.
A. Yes B. No
Mathematics