Find the indicated roots.Sixth roots of 1; standard form
A. 1, 
+ 
i, - 
+ 
i, -1, - 
- 
i, 
- 
i
B. 1, 
+ 
i, - 
+ 
i, -1, - 
- 
i, 
- 
i
C. i, 
+ 
i, - 
+ 
i, -i, - 
- 
i, 
- 
i
D. i, 
+ 
i, 
- 
i, -i, - 
- 
i, - 
+ 
i
Answer: B
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Solve.A science student watching a group of ants moving along a straight line determines that their position x along the line as a function of time t is given by 
Give an equivalent expression for x(t) by factoring out a common factor.
A. x(t) = t(t3 + 3t2 + 32t) B. x(t) = t(t2 + 3t + 32) C. x(t) = t(t3 + 3t2 - 16t + 48) D. x(t) = t(t2 + 3t - 32)
Find the product of the two binomials.(-5x + 7y)(-3x - 8y)
A. 15x2 - 21xy - 56y2 B. 15x2 + 40xy - 56y2 C. 15x2 + 19xy + 19y2 D. 15x2 + 19xy - 56y2
Give all possible rational zeros for the polynomial.f(x) = -2x4 + 3x3 + 4x2 + 18
A. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
B. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
D. ±1, ±2, ±3, ±6, ±9, ±18
Factor the polynomial completely.18a4 - 98b2
A. 2(3a2 + 7b)(3a2 - 7b) B. 2(3a2 + 7b)2 C. (6a2 + 14b)(3a2 - 7b) D. 2(3a2 - 7b)2