A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mw647

  • one year ago

Will medal and fan!! Find a third-degree polynomial function with integer coefficients that has 2, 7i, and -7i as zeros.

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    is it clear that one factor is \((x-2)\)?

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

    if not, then it is now right?

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

    @satellite73 sorry, I forgot to thank you in my thread, so thanks!

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

    the other two factors are \((x-7i)\) and \((x+7i)\) and your job it to multiply this out, which is not as hard as it looks, since \[(x+7i)(x-7i)=x^2+49\]

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

    @NotSephiroth you are welcome!

  6. mw647
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @satellite73 thank you so much! I was totally confused by this at first

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

    you got it now right? multiply \[(x-2)(x^2+49)\] and you are done

  8. mw647
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes, I have it from here. Thank you!! You're a life saver!

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

    yw

  10. 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.