Find the nth term {an} of the geometric sequence. When given, r is the common ratio.3, -6, 12, -24, 48, ...
A. an = 3 ? (-2)n
B. an = 3 ? (-2)n
C. an = a1 - 2n
D. an = 3 ? (-2)n-1
Answer: D
Mathematics
You might also like to view...
Sketch the given surface.x2 + y2 = z2
What will be an ideal response?
Mathematics
Provide an appropriate response.Solve by the method of reduction: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Convert the radian measure to degrees. Round to the nearest hundredth if necessary.- 
A. -270.5° B. -270° C. -271° D. -269.5°
Mathematics
Determine if the given point is a solution of the system of linear inequalities.
; (3, -2)
A. Yes B. No
Mathematics