The first term of a certain sequence is -2 and the second term is -4. Every term after the second term is obtained by dividing the sum of the previous two terms by 2. For example, the third term of the sequence is (-4)+ (-2)/2=-3. What is the sixth term of this sequence?

A) -3

B) -27/8

C) -21/8

D) -7/4

E) -1/8

List the terms:

- –4 (given)
- –2 (given)
- –3 (given, but also )
- –2.5 ()
- –2.75 ()
- –2.625 ()

Put that in your calculator and convert it to a fraction: