Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mitchelsewbaran

  • one year ago

Write the quadratic function in vertex form. y = x^2 + 8x + 18

  • This Question is Closed
  1. ParthKohli
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you know how to complete the square?

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

    (b/2)^2

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

    Yes, so can you apply that here? I'm sure you can...

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

    here are the choices: y = (x - 4)^2 - 2 y = (x - 4)^2 + 2 y = (x + 4)^2 - 2 y = (x + 4)^2 + 2

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

    Okay, but can you add \(\left(b\over 2\right)^2\) to both sides? Do you know what \(b\) is?

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

    8

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

    So what would \(\left(b\over 2\right)^2\) be?

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

    16?

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

    Yes, so add \(16\) to both sides. :-)

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

    y = (x + 4)^2 - 2

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

    Please show your work.

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

    Search OpenStudy
    • 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.