Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

zaynahf

  • one year ago

Direct Variation

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

    If y varies directly as x and y=10 when x= 2, find y when x= -6

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

    Why are you posting a simple question like this... you know how to do it don't you?

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

    Im posting it because i forgot how to do it, and i have finals.. why would i post it if i know how to do it..?

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

    Direct variation means \[ y = kx \]

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

    Yes, i know that. But i need help, step-by-step, on how to actually do the problem.

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

    Use the "y=10 when x= 2" info to find k:\ \[ (10) = k(2) \]

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

    Once you have k use: \[ y = k(-6) \]To find \(y\)

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

    So y is -30?

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

    Yeah

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

    You aren't playing a game?

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

    Nope dude, im 100% serious. I forgot how to do that.. and now that i know, its coming back. Sincere question o_o Thanks though

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

    Some people actually forget how to do things so they need help without others bringing them down.. and once you help like they said it's coming back. GOod job though

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.