Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

babydoll332

  • 3 years ago

Use the Factor Theorem to determine whether the first polynomial is a factor of the second polynomial. x - 5; 3x^2 + 7x + 40

  • This Question is Closed
  1. babydoll332
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    YES right?

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

    x-5 is not a factor

  3. babydoll332
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so no?

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

    nope

  5. ZeHanz
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    x-5 is a factor if substituting 5 in the second gives 0: 3*5² + 7*5 + 40 = 75 + 35 + 40 = 150 <> 0, so NO.

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

    this cant be factored check the value of D (discriminant) = b^2-4ac if D < 0, it has complex roots

  7. 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