Give all possible rational zeros for the following polynomial.P(x) = -2x4 + 5x3 + 3x2 + 18
A. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
B. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
C. ±1, ±2, ±3, ±6, ±9, ±18
D. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
Answer: B
Mathematics
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Find the series' radius of convergence.
A. 0 B. 2 C. 1 D. ?, for all x
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x
+ 5
)(9x
- 5
)
A. 486x2 - 25x
B. 81x
- 25
C. 486x2 - 90x
+ 25x
D. 81x
+ 45x
+ 25
Mathematics
Find the complex solutions of the given equation.5k2 + 9k + 6 = 0
A. {
+ 
i, 
- 
i}
B. {
+ 
i, 
- 
i}
C. {- 
+ 
i, - 
- 
i}
D. {- 
+ 
i, - 
- 
i}
Mathematics
Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0
A. {-3 - 3
, -3 + 3
}
B. 
C. 
D. 
Mathematics