Question

Which Represent the first two terms of the sequence a1=2 and an=-2(an-1)^2
2, -8
-8,-128
16,1024
-2,16

Answer 1

You already know that the first term is a1 = 2

The second term is given by the reucrsion formula
a2 = (-2)*(a1)^2 = -2 * 4 = -8