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

Ayeshaafzal Group Title

A series is given by the formula Tn=3+2n-n^2 (b) Find n if the nth term is −252.

  • one year ago
  • one year ago

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

    just plug in Tn = -252 then you get a quadratic equation in 'n' can you solve quadratic equations ?

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

    |dw:1358754263944:dw|

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

    n can't b negative so take positive sign n = 2+32/2 n=17

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

    thnx smarty pants

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

    @Ayeshaafzal ,can you work that out by yourself ??

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

    yes but i was confuse about using 2n in quadratic i didnt know we didnt have to use n in it

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

    ok.

    • 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.