Factor completely. If unfactorable, indicate that the polynomial is prime.x16 + 8x
A. x(x5 + 2)(x10 - 2x5 + 4)
B. x(x10 + 1)(x10 - 2x5 + 8)
C. x(x5 - 2)(x10 + 2x5 + 4)
D. (x5 + 4)(x10 - x5 + 2)
Answer: A
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Find the eccentricity of the ellipse.x2 + 2y2 = 6
A. 
B. 
C. 
D. 
Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 3t + 2, y = 9t + -2, -? ? t ? ?
A. y = 3x - 8
Entire line, from left to right
B. y = 3x + 8
Entire line, from right to left
C. y = 3x + 8
Entire line, from left to right
D. y = 3x - 8
Entire line, from right to left
Solve the problem.A projectile is thrown upward so that its distance (in feet) above the ground after t seconds is given by 
What is its maximum height?
A. 207,680 ft B. 4300 ft C. 20,328 ft D. 4840 ft
How many ways can 2 men, 2 women, and 2 children be selected from 6 men, 4 women, and 3 children?
A. 13 B. 72 C. 2160 D. 270