Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

simplybeyoutiful Group Title

How can you tell when a quadratic equation has two identical, rational solutions? A) when the radicand is negative B) when b in the quadratic formula is greater than the radicand C) when the radicand equals zero D) when the radicand is not a perfect square

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. agentx5 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    This is a definitions thing you should memorize: :-) http://en.wikipedia.org/wiki/Discriminant#Quadratic

    • 2 years ago
  2. simplybeyoutiful Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    okay

    • 2 years ago
  3. agentx5 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    FYI, "multiplicity" means it's a repeated root, in this case a double-root. Think of it as being cloned or whatever, multiple identical solutions.

    • 2 years ago
  4. lgbasallote Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    hint there are two identical roots when \[b^2 - 4ac = 0\] from the quadratic formula does that help?

    • 2 years ago
  5. simplybeyoutiful Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah thanks

    • 2 years ago
    • Attachments:

See more questions >>>

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.