Find all cube roots of the complex number. Leave answers in trigonometric form.-3
+ 3i
A. 
cis 50°, 
cis 170°, 
cis 290°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 50°, 
cis 170°, 
cis 270°
Answer: A
You might also like to view...
Solve the problem.On a recent trip, Sarah's car traveled 20 mph faster on the first 110 miles than it did on the remaining 80 miles. The total time for the trip was 4 hr. Find the speed of Sarah's car on the first part of the trip.
A. 38 mph B. 58 mph C. 31 mph D. 9 mph
Solve.The area code for a phone number in a city can be either 813 or 218. The rest of the 7-digit phone number can be formed with the digits 0 through 9. How many phone numbers can the city have before it needs to have another area code?
A. 130,000 B. 20,000,000 C. 18,000 D. 1,000,000
Solve.x + 4 = 
A. 
, -
B. 9
C. -4 + 
, -4 - 
D. 4 + 
, 4 - 
Find the axis of the graph of the function.f(x) = 4(x - 
)2 + 10
A. x = -
B. x = -7
C. x = 7
D. x = 