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anonymous

  • one year ago

Solve with matrices. 5x -3y = 18 and 2x + 7y = -1 Indicate each matrix with the vertical bar (|) symbol from the keyboard at the beginning and end of each row.

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  1. anonymous
    • one year ago
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    first draw the matrix

  2. anonymous
    • one year ago
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    how do you to that? @10115658

  3. anonymous
    • one year ago
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    |dw:1433352560484:dw|

  4. anonymous
    • one year ago
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    you just have to plug in the equations

  5. anonymous
    • one year ago
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    now we need to reduce the matrix to this

  6. anonymous
    • one year ago
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    |dw:1433352662845:dw|

  7. anonymous
    • one year ago
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    thank you!!!

  8. anonymous
    • one year ago
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    so what would be the first row operation?

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spraguer (Moderator)
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