Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Answer: D
You might also like to view...
Find a sample space for an experiment of rolling a dice and picking a card suit.
A. {(0, ?), (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (0, ?), (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (0, ?), (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (0, ?), (1, ?), (2, ?), (3, ?), (4, ?), (5, ?)} B. {(1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (6, ?) (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (6, ?) (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (6, ?) (1, ?), (2, ?), (3, ?), (4, ?), (5, ?), (6, ?)} C. {(1, ?), (2, ?), (3, ?), (4, ?), (1, ?), (2, ?), (3, ?), (4, ?), (1, ?), (2, ?), (3, ?), (4, ?), (1, ?), (2, ?), (3, ?), (4, ?)} D. {(1, ?), (2, ?), (3, ?), (4, ?)}
Multiply.
A. 18,080 B. 376,064 C. 374,256 D. 50,624
Solve the problem.
The graph of y = f(x) gives the speed limit y along a rural highway after traveling x miles. (i) What are the maximum and minimum speed limits along this stretch of highway? (ii) Estimate the miles of highway with a speed limit of 25 miles per hour.
A. Maximum 30 mph; minimum 17.5 mph; 8 miles B. Maximum 32.5 mph; minimum 12.5 mph; 9 miles C. Maximum 30 mph; minimum 12.5 mph; 8 miles D. Maximum 35 mph; minimum 10 mph; 6 miles
Use two equations in two variables to find the following integers:One integer is twice another. Their sum is 39.
A. 13, 26 B. 26, 52 C. 13, 52 D. 16, 23 E. no such integers exist