Simplify. Express in terms of i.
A. -2
B. 2
C. -2i
D. 2i
Answer: D
Mathematics
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Write the expression in standard form.9i + (-3 - i)
A. -3 + 8i B. 3 - 8i C. -3 + 10i D. 3 - 10i
Mathematics
Simplify.(7a - 1)2
A. 49a2 + 1 B. 7a2 - 14a + 1 C. 7a2 + 1 D. 49a2 - 14a + 1
Mathematics
The nth term of a sequence is given. Find the first 4 terms.an = 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 1, 
, 
, 
Mathematics
Divide.
A. 6
B. -16
C. 
D. 16
Mathematics