Find two square roots for the complex number. Leave your answers in trigonometric form.
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Choose the correctly sketched graph of the two roots.
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A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
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Graph the function. Determine the symmetry, if any, of the function.y = -|x|
A. Symmetric about the origin
B. Symmetric about the y-axis
C. Symmetric about the x-axis
D. Symmetric about the y-axis
Factor.5c4 - 625cd3
A. 5c(c + 5d)(c2 - 5cd + 25d2) B. c(c + 5d)(c2 - 5cd + 25d) C. 5c(c - 5d)(c2 + 5cd + 25d2) D. 5(c + 5)(c2 - 5c + 25)
Simplify the expression.-(7xv - 3) + 6(5xv + 8)
A. 37xv + 11 B. 37xv + 5 C. 23xv + 51 D. -23xv + 45
Solve.The difference between a country's exports and imports is called the country's trade balance. If one country had a trade balance of -$94 billion in 1991, $96 billion in 1983, and -$46 billion in 1997. What was the total trade balance for these years?
A. 44 billion dollars B. -44 billion dollars C. 236 billion dollars D. -236 billion dollars