ramirokool
Which of the following is the formula for the geometric sequence?
3, 15, 75, 375 ...
Answer
an=3(5)n-1
an=5(3)n-1
an=12(3)n-1
an=5(12)n-1
Delete
Share
This Question is Closed
ramirokool
Best Response
You've already chosen the best response.
0
@Shadowys
campbell_st
Best Response
You've already chosen the best response.
0
well the 1st term is 3 and the common ratio is 5
so
\[T_{n} = ar^{n -1}\]
is the formula for a term in a geometric series... substitute a = 3 and r = 5 into the formula to find the formula.
ramirokool
Best Response
You've already chosen the best response.
0
It would be A than (:
campbell_st
Best Response
You've already chosen the best response.
0
well you have all the information just substitute and trust your algebra skills.
ramirokool
Best Response
You've already chosen the best response.
0
@Shadowys is it A or B
ramirokool
Best Response
You've already chosen the best response.
0
I go with B campbell sir.
ramirokool
Best Response
You've already chosen the best response.
0
I did it on my sheet.
ramirokool
Best Response
You've already chosen the best response.
0
@Shadowys HELP
ramirokool
Best Response
You've already chosen the best response.
0
@nubeer can you confirm if it B
ramirokool
Best Response
You've already chosen the best response.
0
@jiteshmeghwal9 Is it B?
nubeer
Best Response
You've already chosen the best response.
1
its not B option
jiteshmeghwal9
Best Response
You've already chosen the best response.
1
Sorry.....
No idea but go with the tips given by @CarlosGP
ramirokool
Best Response
You've already chosen the best response.
0
So I'ma go with A or C
ramirokool
Best Response
You've already chosen the best response.
0
@nubeer Mis calculation it D
nubeer
Best Response
You've already chosen the best response.
1
still wrong.. maybe read again the guidelines told by Campbell...
campbell_st
Best Response
You've already chosen the best response.
0
wow @ramirokool, you don't have a lot of confidence in your skills.
ramirokool
Best Response
You've already chosen the best response.
0
@campbell_st I know the answer A but no one won't confirm it..@nubeer Show step by step please.
ramirokool
Best Response
You've already chosen the best response.
0
@nubeer show me step by step I know it A
ramirokool
Best Response
You've already chosen the best response.
0
@jiteshmeghwal9 I GOT IT A
ramirokool
Best Response
You've already chosen the best response.
0
YESSSSSSSSSSSS LORD
nubeer
Best Response
You've already chosen the best response.
1
ya its A
nubeer
Best Response
You've already chosen the best response.
1
and it dont have any steps.. most step you need is done just find r and subsitute it.
Shadowys
Best Response
You've already chosen the best response.
0
Sorry bout that. I see you've got it. :)