Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Sheridan16

  • one year ago

What's the vertex of y=x^2+6x+8?(

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

    x-coordinate of vertex when y=ax^2+bx+c = -b/2a

  2. abb0t
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Start by completing the square first.

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

    Once you have the x-coordinate you can easily solve for y-coordinate by plugging in

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

    the answer is {-3,-1} have a nice day=D

  5. abb0t
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    HINT: Remember that the vertex form is: \[y = a(x-h)^2+k\]

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

    aw thanks=D Im really good with problems that don't involve words lol

  7. abb0t
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    giving away the answer doesn't help the person learn, @Helly :P

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

    SORRY=(

  9. Sheridan16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    How do you figure out if its the maximum or minimum?

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

    Is the curve going up or down? Look at the sign of "a"

  11. abb0t
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    You could take a few derivatives.

  12. 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.