Write the complex number in trigonometric form r(cos ? + i sin ?), where r is exact and -? < ? ? ?.2
+ 2i
A. 2 
B. 2 
C. 4 
D. 4 
Answer: D
Mathematics
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A. 
B. 
C. 
D. 0
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?
?
A. ?
B. ?
C. ?
D. ?
E. ?
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?
Fill in the blank(s) with the appropriate word(s).
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Graph the inequality.-2x - 4y ? -8
A. 
B. 
C. 
D. 
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