Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330°
B. 5 cis 30°, 5 cis °60, 5 cis 90°
C. 5 cis 90°, 5 cis °180, 5 cis 270°
D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Answer: A
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Determine the standard equation of the ellipse described.Foci at (0, -2) and (0, 2); length of the major axis is 12 units.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = 6
A. x-intercept: (0, 6), m: 0
B. x-intercept: (0, 0), m: 6
C. x-intercept: (6, 0), m: undefined
D. x-intercept: (6, 0), m: 
Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. - 
- 
i
B. 
- 
i
C. 
+ 
i
D. - 
+ 
i
Solve the formula for the specified variable.P = 
for r
A. r = P - tA
B. r = 
C. r = 
D. r = 