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

Tati_Lee

Which of the following is the simplified form of

  • one year ago
  • one year ago

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

    \[\frac{ x ^{2}-16 }{ x-4 }\]

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

    x + 4, with the restriction x ≠ –4 x – 4, with the restriction x ≠ –4 x + 4, with the restriction x ≠ 4 x – 4, with the restriction x ≠ 4

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

    can you factorize \[x^{2}-16\]??????????????????

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

    (x+4)(x-4)?

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

    oh sorry \[\frac{ (x+4)(x-4) }{ x-4 }\]Thus which cancels which?

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

    x-4 cancels

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

    But \[x-4\neq0......x{\neq}4\]right?

    • one year ago
  8. Tati_Lee
    Best Response
    You've already chosen the best response.
    Medals 0

    im confused

    • one year ago
  9. Zekarias
    Best Response
    You've already chosen the best response.
    Medals 0

    If you have rational expression like a/b, b must not be 0 so as the given expression above to be rational. You this?

    • one year ago
  10. Zekarias
    Best Response
    You've already chosen the best response.
    Medals 0

    you know this?

    • one year ago
  11. Tati_Lee
    Best Response
    You've already chosen the best response.
    Medals 0

    yea

    • one year ago
  12. Zekarias
    Best Response
    You've already chosen the best response.
    Medals 0

    Therefore the expression\[\frac{ (x+4)(x-4) }{ x-4 }\] to be rational, what condition must be fulfilled?

    • one year ago
  13. Zekarias
    Best Response
    You've already chosen the best response.
    Medals 0

    Are you there?

    • 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.