Use DeMoivre's Theorem to find the indicated power. Write the answer in rectangular form.
4
A. - 
+ 
i
B. - 
- 
i
C. - 
+ 
i
D. - 
- 
i
Answer: D
Mathematics
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Find the x- and y-intercepts.f(x) = x2 + 20x + 100
A. (100, 0), (0, -10) B. (100, 0), (0, 10) C. (10, 0), (0, 100) D. (-10, 0), (0, 100)
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Solve the inequality.
< 0
A. (-1, 2) B. (-?, -1) C. (-?, -1) or (2, ?) D. (2, ?)
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Express as a single logarithm, and, if possible, simplify.10loga 10 + 8loga 5
A. loga 1010 58
B. loga 
C. loga (100 + 100)
D. loga 108 ? loga 58
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Find the special products using patterns.(p - r)(p + r)
A. p2 - 2r2 B. p2 - r2 C. p2 + r2 D. 2p2 - r2
Mathematics