A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

hybrik

  • one year ago

What is the inverse of y=2x+7, is it y=(x+7)/2?

  • This Question is Closed
  1. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @ganeshie8 @welshfella

  2. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\huge\rm \color{reD}{y}=2\color{blue}{x}+7\] switch x and y to find inverse \[\huge\rm \color{blue}{x}=2\color{red}{y}+7\] now solve for y

  3. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah, which is (x+y)/2

  4. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no solve for `y` what would be ur first step ?

  5. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oops, x+7, typo

  6. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    still.... wrong.

  7. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    what was your first step ?

  8. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ello ??????...

  9. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    huh

  10. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    my answer was (x+7)/2 = y

  11. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that's wrong.

  12. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    how did you get that ? what was ur first step ? show ur work maybe i'll able to find out the mistake...

  13. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    y-7=2x

  14. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes right divide both sides by 2 and then switch x and y

  15. hybrik
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    (y-7)/2 = x, (x-7)/2 = y

  16. Nnesha
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    looks good!

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

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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.