A community for students.
Here's the question you clicked on:
 0 viewing
Stephanizer
 3 years ago
Identify the 12th term of a geometric sequence where a1 = 8 and a6 = –8,192.
Stephanizer
 3 years ago
Identify the 12th term of a geometric sequence where a1 = 8 and a6 = –8,192.

This Question is Closed

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1a6 = a1*r^5 8192 = 8*r^5 r^5 = 1024 r = 2 so a12 = a1*r^11 = 8*(2)^11 = 16384 i guess

Stephanizer
 3 years ago
Best ResponseYou've already chosen the best response.0ahhhh, that not in my choice of answerss:(

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1ahh I see now I got dizzy again lol it's too late here r = 4

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1so a12 = 8*(4)^11 sorry for many mistakes lol

Stephanizer
 3 years ago
Best ResponseYou've already chosen the best response.0ahh, thats not good!:(

Stephanizer
 3 years ago
Best ResponseYou've already chosen the best response.0but be sorry you have no idea how helpful you are(:

Stephanizer
 3 years ago
Best ResponseYou've already chosen the best response.0what about Identify the 17th term of a geometric sequence where a1 = 16 and a5 = 150.06. Round the common ratio and 17th term to the nearest hundredth.

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1a5 = a1*r^4 150.6 = 16*r^4 so u can figure r by using calculator 17th term to the nearest hundredth?? I don't understand my eng is not good enough lol

Stephanizer
 3 years ago
Best ResponseYou've already chosen the best response.0haha ummm dont worry about that part? so like Identify the 17th term of a geometric sequence where a1 = 16 and a5 = 150.06. Round the common ratio and 17th term

campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.1stephanizer you need to evaluate the answer for your 1st term \[T _{12} = 8\times(4)^{11}\] as the maths is correct.

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1ok r^4 is approximately 6.4 so a17 = a1*r^16 = a1*((r^4))^4 = 8*(6.4)^4=.....

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1but I want to understand eng too lol

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1no no r is approximately 9.4 lol

campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.1I got \[150.6 = 16r^4\] r = 1.75 then \[T _{17} = 16 \times(1.75)^{16} =123802\]

guykubpom
 3 years ago
Best ResponseYou've already chosen the best response.1^^ how you figure r out ?? did you use calculator??

campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.1\[r^4 = \frac{150.6}{16}\] then \[r = \sqrt[4]{9.4125} = 1.7499\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.