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
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Find the error in the traditional algorithm method:
??
A. ?Multiplication and addition error (9 × 3 + 3) B. ?Forgot to add carried number (second column) C. ?Added total incorrectly D. ?Place-value error in the second row of computation E. Place-value error in the first? row of computation
Solve the equation by completing the square. Then (i) give the exact solutions and (ii) give the solutions rounded to the nearest thousandth.2x2 + 9x = -1 + 15x
A. (i) {3 ± 
} (ii) {5.646, 0.354}
B. (i) 
(ii) {-0.177, -2.823}
C. (i) {-3 ± 
} (ii) {-0.354, -5.646}
D. (i) 
(ii) {2.823, 0.177}
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (3, 0), and (0, 5)
A. 0 B. 75 C. 30 D. 15
Apply Green's Theorem to evaluate the integral.
(5y + x) dx + (y + 2x) dyC: The circle (x - 6)2 + (y - 1)2 = 4
A. -12? B. -12 C. 12? D. -72