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ridgeboy36
Group Title
what is the 7th term of the geometric sequence 1,4,16,...? Answers to choose from.
a)16,384
b)4,096
c)4,096
d)16,384
 2 years ago
 2 years ago
ridgeboy36 Group Title
what is the 7th term of the geometric sequence 1,4,16,...? Answers to choose from. a)16,384 b)4,096 c)4,096 d)16,384
 2 years ago
 2 years ago

This Question is Closed

Skaematik Group TitleBest ResponseYou've already chosen the best response.1
\[T _{n}=ar ^{n1}\]
 2 years ago

Skaematik Group TitleBest ResponseYou've already chosen the best response.1
a= first term r = ratio between consecutive terms n = number of terms
 2 years ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
@yummydum
 2 years ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
Can anybody solve this??
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Yeah, use @Skaematik's formula. Just plug in what you know.
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
To get \(r\), what are you multiplying between each term?
 2 years ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
@Skaematik are you sure the formula is right i got 4,096 and i dont believe that to be correct
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
1 times what gives you 4? 4 times what gives you 16?
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Well, the first thing to check is that it's negative. Since it's odd, and your odd terms are negative, it makes sense that it, too, is negative.
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
Why don't you think 4096 is correct?
 2 years ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
because i thought it would have came out positive to 4,096 but i got 4,096
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.1
4096 is correct.
 2 years ago

ridgeboy36 Group TitleBest ResponseYou've already chosen the best response.0
ohh thank you both of you @geoffb @Skaematik
 2 years ago
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