Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

AppleTV

  • 2 years ago

[9.01] Determine whether the graph of y = −2x2 − 3x + 10 opens up or down and whether it has a maximum or minimum point. Down and Maximum Down and Minimum Up and Maximum Up and Minimum

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

    a is negative, so can you give an estimate of what hte graph is shaped like?

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

    opens down

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

    Yup.|dw:1356634529314:dw| does that look like a maximum or a minimum?

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

    maximum!

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

    thanks!

  6. philo1234
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    If the coefficient on the x^2 term is negative the graph opens downward and has a maximum. If the coefficient on the x^2 term is positive the graph opens upwards and has a minimum. If you can't remember this plot the graph on your calculator.

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

    Yup.

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

    thanks for the medals!

  9. 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

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.