Question

For the following geometric sequences, determine
a1, r, a5, and a6.
8,4,2,1,1/2,...

Answer 1

do you know what a1 is?

Answer 2

8?

Answer 3

correct.

what is r?

Answer 4

0.5 or 1/2 im not sure if it matters or not.

Answer 5

they are the same thing, but we normally use fractions unless asked otherwise

Answer 6

and a5?

Answer 7

1/2?

Answer 8

so a2=1/2*a*1
a3=1/2*a2
what is a6?

Answer 9

1/4??

Answer 10

correct

Answer 11

\(\huge \checkmark\) and you are done

Answer 12

okay, thank you but can you help me with a couple of examples please?

Answer 13

1,10,100, 1,000, 10,000, ...

Answer 14

a1=1
r= 10?

Answer 15

hello? :(

Answer 16

Pretty \(\color{green}{\checkmark}\)..

Answer 17

correct @Jmoya_04 maybe don't use the commas to write 1000 :)