anonymous
  • anonymous
Given the sequence -1, 2, -4, 8, ..., identify the tenth term. Show your work.
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
AlexandervonHumboldt2
  • AlexandervonHumboldt2
look: 2/-1=-2 -4/2=-2 8/-4=-2 any ideas?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
so the common ratio is -2
anonymous
  • anonymous
But what formula will help me find the 10th ?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

AlexandervonHumboldt2
  • AlexandervonHumboldt2
To find any term of an arithmetic sequence: \[a _{n}=a _{1}+\left( n-1 \right)*d\] where \[a _{1}\] is the first term of the sequence, d is the common difference, n is the number of the term to find.
idku
  • idku
this is a geometric series, alexnader
idku
  • idku
you are incorrect
AlexandervonHumboldt2
  • AlexandervonHumboldt2
woops thx @idku let me give another formula
AlexandervonHumboldt2
  • AlexandervonHumboldt2
To find any term of a geometric sequence: where \[a _{1}\] is the first term of the sequence, r is the common ratio, n is the number of the term to find. \[a _{n}=a _{1}*r^\left( n-1 \right)\]
AlexandervonHumboldt2
  • AlexandervonHumboldt2
thx @idku for correcting me.

Looking for something else?

Not the answer you are looking for? Search for more explanations.