A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

matrix help please, picture in comments

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

  2. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \(4X+A=B \implies X = \dfrac{B-A}{4}\)

  3. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so simply subtract first matrix from the second, then divide by 4

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

    i came up with -3/4 -7/4 -1 1/4 3/4 0 @ganeshie8

  5. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    doesnt look correct, try again

  6. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    seems you have worked \(A-B\) instead of \(B-A\)

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

    1 -3 -7 2 -4 1 3 3 0

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

    exclude the 123

  9. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \(B-A = ?\)

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

    my answer isnt apart of my choices

  11. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    again you're doing A-B, which is wrong

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

    hmmm. i dont know/see what im doing.

  13. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    lets start over

  14. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you're given that \(4X+A=B\) can you isolate \(X\) from above eqn ?

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

    so i reversed it and i have 3 7 4 -1 -3 0

  16. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    why ?

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

    i put b first like you said. thats what i came up with

  18. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    good, next what you wana do

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

    isnt that it?

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

    divide by 4. end up with d. @ganeshie8

  21. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Looks good!

  22. 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.