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xitskaylee23

What is element a12 in matrix A

  • one year ago
  • one year ago

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  1. xitskaylee23
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    • one year ago
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  2. zzr0ck3r
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    1st row, second column

    • one year ago
  3. hartnn
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    \(\large a_{mn}\) will give you m'th row and n'th column

    • one year ago
  4. xitskaylee23
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    i dont understand what i am supposed to do!

    • one year ago
  5. hartnn
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    can u indentify first row ?

    • one year ago
  6. hartnn
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    *identify

    • one year ago
  7. xitskaylee23
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    i dont even know what this is. i didnt even learn it so i literally have NO idea!

    • one year ago
  8. hartnn
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    |dw:1352781758000:dw|

    • one year ago
  9. hartnn
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    this representation of numbers is called Matrix representation.

    • one year ago
  10. hartnn
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    in your question, [ 8 -2 -2 ] is first row, got this ?

    • one year ago
  11. xitskaylee23
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    yes

    • one year ago
  12. hartnn
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    so can u tell me 2nd row ?

    • one year ago
  13. xitskaylee23
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    2 6 -3

    • one year ago
  14. hartnn
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    absolutely correct :) now 1st column ?

    • one year ago
  15. xitskaylee23
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    8 2 9

    • one year ago
  16. hartnn
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    right, means you are getting this :) now a12 is the element in 1st row and 2nd column can u find which element is it ?

    • one year ago
  17. hartnn
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    |dw:1352782627935:dw|

    • one year ago
  18. xitskaylee23
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    2 2?

    • one year ago
  19. hartnn
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    2 2 ? there is only one element which is in first row and 2nd column

    • one year ago
  20. xitskaylee23
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    i mean like 2nd row 2nd column

    • one year ago
  21. hartnn
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    a12 means 1st row and 2nd column

    • one year ago
  22. xitskaylee23
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    ohh

    • one year ago
  23. hartnn
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    so which element is it ?

    • one year ago
  24. xitskaylee23
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    i dont know i dont understand this!

    • one year ago
  25. hartnn
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    |dw:1352783049025:dw|

    • one year ago
  26. xitskaylee23
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    my options are: –2 –3 5 2

    • one year ago
  27. hartnn
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    see last drawing, did u get that ?

    • one year ago
  28. xitskaylee23
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    yes

    • one year ago
  29. hartnn
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    thats what i was trying to tell you, all this time....

    • one year ago
  30. redshift
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    look at it this way: circle the first row and the 2nd column: |dw:1352783074995:dw| whichever you've circled twice is the element you're looking for

    • one year ago
  31. xitskaylee23
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    ohmygod! really?

    • one year ago
  32. hartnn
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    now did u understand how to find elements ?

    • one year ago
  33. xitskaylee23
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    i think but can you help with more? i have 23% in algebra2

    • one year ago
  34. hartnn
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    yes. but ask new question in new post ...

    • one year ago
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