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

cutie5507 Group Title

Find the slope of the tangent line to the curve sqrt(3x +3y) +sqrt(2xy) =11.5 at points (4,5)

  • 2 years ago
  • 2 years ago

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

    take the derivative and set it 0

    • 2 years ago
  2. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    im stuck on getting the deriviative

    • 2 years ago
  3. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    1/2(3x+3y)^(-1/2)(3+3y')+1/2(2xy)^(-1/2)(2y+2xy')=0

    • 2 years ago
  4. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    sub x=4 and y=5 find y'=m

    • 2 years ago
  5. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    after found m use this formula and write the eq. y-y1=m(x-x1) y1=5 x1=4

    • 2 years ago
  6. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\frac{1}{2}(3x+3y)^{-1/2}(3+3y')+\frac{1}2 (2xy)^{-1/2}(2y+2xy')=0\]

    • 2 years ago
  7. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i dont think im getting the right answer what did you get as the answer?

    • 2 years ago
  8. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y'=m=\frac{4\sqrt{3}-2\sqrt{10}}{2\sqrt{10}-5\sqrt{3}}\]

    • 2 years ago
  9. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    use your cal..

    • 2 years ago
  10. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    -13/50 approx.

    • 2 years ago
  11. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    its showing as incorrect what was the exact answer?

    • 2 years ago
  12. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    what are the options..

    • 2 years ago
  13. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i dont have options, but the assignment is online, so it tells me if he answer is correct or not

    • 2 years ago
  14. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y=\frac{-13}{50}x+\frac{53}{10}\]

    • 2 years ago
  15. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    or \[y-4=(\frac{4\sqrt{3}-2\sqrt{10}}{2\sqrt{10}-5\sqrt{3}})(x-5)\]

    • 2 years ago
  16. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    is it saying round your answer or exact

    • 2 years ago
  17. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    exact

    • 2 years ago
  18. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y=\frac{4\sqrt{3}-2\sqrt{10}}{2\sqrt{10}-5\sqrt{3}}x-5\frac{4\sqrt{3}-2\sqrt{10}}{2\sqrt{10}-5\sqrt{3}}+4\]

    • 2 years ago
  19. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    let me double check it

    • 2 years ago
  20. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    wht would the slope be?

    • 2 years ago
  21. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y=-\frac{15\sqrt{2}+2\sqrt{15}}{12 \sqrt{2}+2\sqrt{15}}x+5\frac{15\sqrt{2}+2\sqrt{15}}{12 \sqrt{2}+2\sqrt{15}}+4\]

    • 2 years ago
  22. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    slope is coeff of x

    • 2 years ago
  23. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    its sill coming up as incorrect

    • 2 years ago
  24. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y=-\frac{\sqrt{10}+4\sqrt{3}}{\sqrt{10}+4\sqrt{3}}x+5\frac{\sqrt{10}+4\sqrt{3}}{\sqrt{10}+4\sqrt{3}}+4\]

    • 2 years ago
  25. cutie5507 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    still coming up incorrect :/

    • 2 years ago
  26. cinar Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y=\frac{-12\sqrt{3}+15}{2\sqrt{3}+12}x+\frac{60\sqrt{3}-75}{2\sqrt{3}+12}+4\]

    • 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.