Question

Write the recursive formula for the geometric sequence.

a1 = -2 a2 = 8 a3 = -32

Answer 1

A. an = -4 + an-1

B. an = -2 + an-1

C. an = -2 • an-1

D. an = -4 • an-1

Answer 2

im confused

Answer 3

someone help please

Answer 4

@TuringTest

Answer 5

do you know?

Answer 6

ohhhh are there subscripts in your options?

Answer 7

yeah

Answer 8

can u write them properly then?
a_n-1 is different from a_(n-1)

Answer 9

common ratio r is 8 / -2 = -4

Answer 10

you multiply each term by -4 to get the next term

Answer 11

i dont know how to do this at all

Answer 12

you don't add!!

Answer 13

to get second term you multiply first by by -4
then you multiply the second term by -4 to get third
and so on

this is whats meant by recursive