Write the complex number in the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Answer: B
Mathematics
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Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 
; r = 
A. a5 = 5
, an = 5n/2-1
B. a5 = 3125, an = 5n
C. a5 = 625
, an = 5n-1/2
D. a5 = 25
, an = 5n/2
Mathematics
Solve the inequality.(x + 1)(x - 6) ? 0
A. [6, ?) B. [-1, 6] C. (-?, -1] D. (-?, -1] or [6, ?)
Mathematics
Find an equation for the parabola described.Vertex at (9, 5); focus at (2, 5)
A. x = - 
(y - 5)2 + 5
B. x = - 
(y - 5)2 + 9
C. x = 
(y - 5)2 + 5
D. x = 
(y - 5)2 + 9
Mathematics
Determine whether the relation is a function.{(-7, -8), (-5, -2), (-1, -6), (3, 8)}
A. Not a function B. Function
Mathematics