Find the indicated roots.Cube roots of -8i
A. -2i, 
- i, 
- i
B. -2i, 
+ i, 
+ i
C. 2i, - 
+ i, - 
+ i
D. 2i, - 
- i, 
- i
Answer: D
Mathematics
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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°
Mathematics
Simplify.m11 ? m-7
A. 
B. 
C. m18
D. m4
Mathematics
Match the graph to its equation.
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Insert <, >, or = to make the statement true.
_____ 5
A. < B. > C. =
Mathematics