Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

infinitemoes

  • 2 years ago

Please help! what are the focus and directrix of the parabola with equation y =1/16x?

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

    Hi, I see, its parabola

  2. khalid.decanc
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    im parabola.lol

  3. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1370238010915:dw|

  4. infinitemoes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    alrighttt..

  5. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Complete the square on the x terms. Divide the coefficient on the 1st degree x term by 2 and square it. Add the result to both sides of the equation. That will give you a perfect square on the left

  6. infinitemoes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah I'm just completely lost and I have less than 2 min to get this done. think i'm just gonna take a guess on this one and hope for the best. lol

  7. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1370238694623:dw|

  8. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now???

  9. infinitemoes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    okay, soo.. would the -4 be my directrix? i'm still so lost. lol there's an option for focus (0,4) and directrix -4

  10. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yup!

  11. infinitemoes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    awesome. thank you so much!

  12. ToniStark
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    my pleasure.

  13. 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