anonymous
  • anonymous
Find a formula for the general term a_n of the sequence assuming the pattern of the first few terms continues. { -4/2,6/4,-8/8,10/16,-12/32,...} Assume the first term is a_1.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
is this an arithmetic or geometric series/sequence?
anonymous
  • anonymous
https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/v/explicit-and-recursive-definitions-of-sequences
anonymous
  • anonymous
this is a geometric sequence, that video was about arithmetic!

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Luigi0210
  • Luigi0210
@OffnenStudieren can you help them?
anonymous
  • anonymous
try the one about geometric sequences and series then
anonymous
  • anonymous
@Luigi0210 I am busy with this person at the moment http://openstudy.com/study#/updates/5220d361e4b06211a67ecd56
anonymous
  • anonymous
sorry
Luigi0210
  • Luigi0210
Oh, I know the answer.. pretty easy.. but Idk how to explain it/
Luigi0210
  • Luigi0210
Here is the equation for the pattern: \[\frac{2n+2}{-2^n}\]
Luigi0210
  • Luigi0210
If n starts at 1
anonymous
  • anonymous
oh, right. I remember sorta kinda now
anonymous
  • anonymous
isn't that an equation? It equals something?
anonymous
  • anonymous
@Luigi0210
anonymous
  • anonymous
isn't that an equation? It equals something?
anonymous
  • anonymous
I understand kind of, but how does one alter it to fit the specific function? like that is just a sequences equation? right?
Luigi0210
  • Luigi0210
Sorry, technical difficulties , but yea
anonymous
  • anonymous
but for this specific question, does it have 2 or something else?
anonymous
  • anonymous
the -2 should be in parentheses
Luigi0210
  • Luigi0210
Yea, sorry I thought they knew it would be
anonymous
  • anonymous
^I miss understood your help @Luigi0210 thank you! that was really helpful.

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