A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

????

  • This Question is Closed
  1. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    first find the derivative of this function

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

    can you do that?

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

    implicit differentiation. Treat y as a function of x.

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

    Yes I got 6x^2-3xy'(x)+3y^2y'(x)-3y

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

    = 0

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

    looks good

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

    now its just algebra

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

    Plugging in the points?

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

    make y' the subject then plug in the points

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

    y'(x)

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

    do you know what I mean ?

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

    Yeah like set everything equal to y'(x) right?

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

    yea - like solving for y'(x)

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

    Okay I got -6x^2+3x/-3x3y^2=y'(x)

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

    now its just a matter of plugging in the given values of x and y

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

    There was an error I think my formula is wrong

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

    yes i got a different result foe y'(x)

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

    I got -18

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

    i get -11/7

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

    i might have it wrong as I'm getting tired.

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

    Let me try it again

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

    Oh wait yeah I see where I went wrong I plugged in the wrong points but I got -11/7 now

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

    Thank you!!!!

  24. 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.