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sydneygill14
Group Title
Identify the 12th term of a geometric sequence where a1 = 8 and a6 = –8,192.
 2 years ago
 2 years ago
sydneygill14 Group Title
Identify the 12th term of a geometric sequence where a1 = 8 and a6 = –8,192.
 2 years ago
 2 years ago

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tmauldin Group TitleBest ResponseYou've already chosen the best response.2
do you have a2
 2 years ago

sydneygill14 Group TitleBest ResponseYou've already chosen the best response.0
no i dont
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
since youve gone thru this with alot of people already ... what is the general equation for an arith. progression ?
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
an= ar1 * r^(n1) this is the geometric equation
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
lol ... its just too easy to read over that word :) yes, this is a geo ... good eye
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
lol, i see it now
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
a12=33554432
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
this is how i found it, give me a moment i will explain
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
since the formula for any term is given by an= a1 *r^(n1) in order to find any term you must know a1 and r you have a1 but we need to find r, in order to find r we need an and a1 we only have a1 and a6 so substitute a6 for an in the above formula a6=8*r ^(61) 8192=8 * r ^(5) 1024=r^5 4=r now using above formula again we have a12=8 * (4)^(121) a12=8 * (4)^11 a12=8 * (4194304) a12=33554432 hint* any time a term is negative, the ratio will be negative
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
formula for finding any term in ageometric sequence an=a1*r^(n1) i have never worked a related problem, so that is why it took so long, but now we both know amistre64 helped me realize you needed a12 good day
 2 years ago

tmauldin Group TitleBest ResponseYou've already chosen the best response.2
geometric equation a.k.a arithmetic transformation
 2 years ago
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