Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Answer: C
Mathematics
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Perform the indicated operation.Add (3x4 + 5x3 - x2 - 6x + 7) and (2x4 - 5x + x2 - 3x3)
A. 5x4 + 8x3 +2x2 - 11x + 7 B. 5x8 + 2x6 + x4 - 11x2 + 7 C. 5x4 + 2x3 - 11x + 7 D. x4 + 2x3 + 11x + 7
Mathematics
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -20x +21 = 0
A. {1.5, 3.5} B. {-29, 21} C. {-3.5, -1.5} D. {6, 14}
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (-9, 0)
B. (9, 0)
C. 
D. 
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 
Mathematics