Solve the equation in the real number system.x4 - 3x3 + 5x2 - x - 10 = 0
A. {-1, -2}
B. {-2, 1}
C. {1, 2}
D. {-1, 2}
Answer: D
Mathematics
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Evaluate.- 
A. -220 B. 21 C. Not a real number D. -21
Mathematics
Solve the system of equations by using substitution. 
A. x = -2, y = 3 B. x = 7, y = 12 C. x = 12, y = -2 D. x = 3, y = 7
Mathematics
Find the partial fraction decomposition for the rational expression.
A. 
+ 
B. 
- 
C. 
- 
D. 
- 
Mathematics
Find the nth term and the indicated term of the arithmetic sequence {an} whose initial term, a, and common difference, d, are given.a1 = 6; d = -7an = ?; a15 = ?
A. an = 6 - 7n; a15 = -92 B. an = 13 - 7n; a15 = -92 C. an = 13 - 7n; a15 = -29 D. an = 13 + 7n; a15 = -92
Mathematics