Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Tinascott Group Title

Write the explicit formula for the geometric sequence. -5, 20, 80

  • one year ago
  • one year ago

  • This Question is Closed
  1. BangkokGarrett Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Did you mean - 80? That's not a geometric sequence unless the 80 is negative.

    • one year ago
  2. Tinascott Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

    • one year ago
  3. Tinascott Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    can you help me?

    • one year ago
  4. BangkokGarrett Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I have an answer, but I'm \not sure how \to explain how I got it.LOL

    • one year ago
  5. BangkokGarrett Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[a _{n}=-5\times(-4)^{(n-1)}\]

    • one year ago
  6. BangkokGarrett Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Plug in n=1 and you get -5, plug in n=2 and you get 20, plug in ....etc

    • one year ago
  7. Tinascott Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i understand now how to do it now thanks

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.