anonymous
  • anonymous
Find an equation for the nth term of the arithmetic sequence 8,6,4,2...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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LunyMoony
  • LunyMoony
8,6,4,2,0,-2,-4,-6,8 .....everyone agree?
anonymous
  • anonymous
Yeah
anonymous
  • anonymous
These are my options
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anonymous
  • anonymous
@bingtamekia @LunyMoony
LunyMoony
  • LunyMoony
Oh, I see ok
anonymous
  • anonymous
I think D
anonymous
  • anonymous
how did you get D @bingtamekia
LunyMoony
  • LunyMoony
I was gonna say D too, it is the only one with a positive 2
LunyMoony
  • LunyMoony
common difference is 2
LunyMoony
  • LunyMoony
and so it has to be anything 8 or about, and D is the only one with that
anonymous
  • anonymous
oh okay that makes sense. is there like a formula i can use ?
LunyMoony
  • LunyMoony
yeah, here .... http://www.virtualnerd.com/worksheetHelper.php?tutID=Alg1_10_1_26
anonymous
  • anonymous
so what would -20, -16, -12, -8, ... be ?
LunyMoony
  • LunyMoony
common difference is 4, and that is positive 4 because the numbers are going towards down towards the positive numbers
LunyMoony
  • LunyMoony
so nth term can be -4th and up I believe
LunyMoony
  • LunyMoony
if I am wrong just correct me, sometimes Im not even sure
anonymous
  • anonymous
Well these are my options, this seems really tricky to me
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LunyMoony
  • LunyMoony
sec ...
LunyMoony
  • LunyMoony
I believe D, since it is the only one that comes out as the rounded common number ....which is 4. so 4 is our first nth term
anonymous
  • anonymous
nah that wasnt it but its okay haha thank you so much for helping @LunyMoony
LunyMoony
  • LunyMoony
sorry, alright!

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