Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

kiara23

  • 4 years ago

if we asked to find the zero function r(t)=5t3-8t2+7t +2 which task would you complete first - rational root theorem and descartes' rule signs ?

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

    I would use descartes' rule of signs first.

  2. kiara23
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    why please

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

    Because if Descartes shows me that there are no positive roots then I wouldn't try any positive numbers as a result of the rational roots theorem.

  4. kiara23
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    good answer ! thank you

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

    yw

  6. 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