Question

Write the recursive formula for the geometric sequence.

a1 = -2 a2 = 8 a3 = -32
A. an = -4 + an-1

B. an = -2 + an-1

C. an = -2 • an-1

D. an = -4 • an-1

Answer 1

an(-1) there is product ?

Answer 2

no

Answer 3

just simple subtraction

Answer 4

Subtract what ?

Answer 5

the 1

Answer 6

an-1

Answer 7

or this sign a(n-1) ?

Answer 8

so -2 ?

Answer 9

I got C .

Answer 10

can you just give me the answer ?