mckenzieandjesus
  • mckenzieandjesus
Find the common ratio of the sequence. –164, –82, –41, –20.5, . . .
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
Pick any term you want except for the first term. Divide this term by the previous term.
mckenzieandjesus
  • mckenzieandjesus
|dw:1444169320528:dw|
mckenzieandjesus
  • mckenzieandjesus
oh okay i did it a different way and couldn't figure out what 10 1/4th would be so i just clicked 1/2.. comes to find out 2-20.5/-41= 1/2 :)

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jim_thompson5910
  • jim_thompson5910
what that work shows is that you're dividing each term by 2 to get the next term notice how (2nd term)/(1st term) = (-82)/(-164) = 1/2 = 0.5
jim_thompson5910
  • jim_thompson5910
that's an interesting way to get the answer
mckenzieandjesus
  • mckenzieandjesus
Yeah thats what I figured out above :)
jim_thompson5910
  • jim_thompson5910
`so 10 1/4 does = 1/2?` idk what you mean here
jim_thompson5910
  • jim_thompson5910
10 1/4 is not equal to 1/2
jim_thompson5910
  • jim_thompson5910
but yeah the common ratio is 1/2 or 0.5
jim_thompson5910
  • jim_thompson5910
|dw:1444169630481:dw|
mckenzieandjesus
  • mckenzieandjesus
ohh
mckenzieandjesus
  • mckenzieandjesus
well I still clicked the right answer :)
mckenzieandjesus
  • mckenzieandjesus
thank u for showing me the correct way to do it

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