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

eli123 Group Title

i really need some help

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    on which topic ?

    • 2 years ago
  2. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    quadratic equations

    • 2 years ago
  3. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    • 2 years ago
  4. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    yes, i can help. post your question.

    • 2 years ago
  5. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    i did up to 55sqrtof -55^2-4(24)(-24) all over 48

    • 2 years ago
  6. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    which is 55 + or - sqrt of 721 all over 48

    • 2 years ago
  7. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    then i got stuck, i know i have to factor right?

    • 2 years ago
  8. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    u have used quadratic formula to find roots, when it was asked to factor. if u only want an answer it doesn't matter what u use , factoring or formula...so do u want an answer or do u want to learn factoring?

    • 2 years ago
  9. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    i want to learn

    • 2 years ago
  10. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    ok, so u got quadratic equation as 24p^2 -55 p -24 = 0 right ? now tell me 2 numbers whose product is -24*24 = -576 and sum is -55

    • 2 years ago
  11. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    that's the part that i hate, because it takes so long to find the numbers. there's no easy way to find them? or a trick

    • 2 years ago
  12. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    -64 and 9

    • 2 years ago
  13. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    thats correct :) so u write your equation as 24p^2 -64p +9p -24 = 0 ok ? now what can u take out common from 1st 2 terms ??

    • 2 years ago
  14. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    p?

    • 2 years ago
  15. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    p and ? what can u take common from 24 and 64 ?

    • 2 years ago
  16. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    4

    • 2 years ago
  17. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    nice try .... what about 8 ?

    • 2 years ago
  18. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah

    • 2 years ago
  19. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    and then the other one is 3(3p-8)

    • 2 years ago
  20. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    so u take 8p common 8p(3p-8) + 3 (3p-8) = 0 got this ? yes, other part is correct

    • 2 years ago
  21. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    which gives you (8p+3)(3p-8)

    • 2 years ago
  22. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    excellent, u are good at this :)

    • 2 years ago
  23. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    lol yeah right

    • 2 years ago
  24. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    so your roots are ?

    • 2 years ago
  25. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    8p+3 = 0 or 3p-8 = 0 u know what to do next?

    • 2 years ago
  26. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ok so -3/8 and 8/3?

    • 2 years ago
  27. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    exactly :)

    • 2 years ago
  28. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    thank you!

    • 2 years ago
  29. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    welcome :) u did most part of the problem...

    • 2 years ago
  30. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    uh is there something i have to do after that? because it says its wrong

    • 2 years ago
  31. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    multiply?

    • 2 years ago
  32. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    did u write it like this ? \(\huge{\frac{-3}{8},\frac{8}{3}}\) no,don't multiply...

    • 2 years ago
  33. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 3

    @eli123 ,did u get it right ?

    • 2 years ago
  34. eli123 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    i got it :) i had put the negative sign in front of the whole fraction :/ my bad @hartnn

    • 2 years 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.