Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°)
B. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°)
C. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°)
D. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°)
Answer: C
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Find the coordinates of the vertices and foci of the ellipse.
+ 
= 1
A. V(0, -4), V(0, 4), F
, F
B. V(-4, 0), V(4, 0), F
, F
C. V(0, -4), V(0, 4), F
, F
D. V(-4, 0), V(4, 0), F
, F
Find the average rate of change for f(x) on the given interval.f(x) = x2 - 5x - 18, [-5, 1]
A. 3 B. -9 C. 9 D. -3
Provide an appropriate response.Use the FOIL method to find the product: (2x + 7)(5x + 1)
A. 10x2 + 8x + 7 B. 7x2 + 14x + 8 C. 10x2 + 37x + 7 D. 7x2 + 37x + 7
Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.14 ÷ 0.1 - 5 × 0.082
A. 0.86 B. 116.64 C. 139.97 D. 139.84