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

Katlyn99 Group Title

x^2=-9

  • 2 years ago
  • 2 years ago

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

    To solve you would take the square root of both sides, but you can not take the square root of a negative number. So there's no solution

    • 2 years ago
  2. mark_o. Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    but if your subject require you to find the complex root you can also solve this

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

    its just it has no Real number solution root , but theres complex root, do you want me to show you?

    • 2 years ago
  4. Katlyn99 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

    • 2 years ago
  5. mark_o. Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    remember \[\sqrt{-1}=i\]

    • 2 years ago
  6. mark_o. Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    x^2=-9 square root on both sides gives \[x=\sqrt{-9}\] \[x=\sqrt{9(-1)}\] \[x=+9 i and x=-3 i\]

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

    im sorry thats x= plus or minus 3 i

    • 2 years ago
  8. mark_o. Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    x= 3 i, x= -3 i thats your complex roots

    • 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.