Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

EliC

  • one year ago

solve the system x1+X2 -x3 +x4 =5 -3x1 +x2 =5x4=2 2x1 + 1/2 x2 -x3= 2

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

    are you talking about x^2 or 2x on the first line?

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

    augmented matrix

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

    write it in augmented matrix form and then use the Gaussian method to get into echelon form

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

    after that use Guass Jordan (row reduced echleon form)

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

    |dw:1361520164481:dw|

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

    |dw:1361520243815:dw|we have some numbers below the main diagonal. we need to get rid of them

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

    3r1+r2 ---> r2 2r1+r3 ---> r3

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

    |dw:1361520296588:dw|

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

    |dw:1361520348370:dw|

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

    |dw:1361520395578:dw|

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

    |dw:1361520453895:dw|

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

    |dw:1361520485980:dw|

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

    |dw:1361520642615:dw|

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

    |dw:1361520682113:dw|

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

    |dw:1361520706134:dw|

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

    3r2-2r3 -->r3

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

    |dw:1361520750768:dw|

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

    |dw:1361520816538:dw|

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

    |dw:1361520917543:dw|

  20. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.