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AmTran_Bus

  • one year ago

Help with determinate

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  1. AmTran_Bus
    • one year ago
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  2. AmTran_Bus
    • one year ago
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    I get 0. Here is my work. They say it is 5.

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  3. anonymous
    • one year ago
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    Check your first determinant.

  4. AmTran_Bus
    • one year ago
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    2*0 is zero.

  5. AmTran_Bus
    • one year ago
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    gurr

  6. anonymous
    • one year ago
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    Same problem with the third one.

  7. anonymous
    • one year ago
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    And there's also an error with the second one...

  8. AmTran_Bus
    • one year ago
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    How? -1 - 4 is -5. Multiply that by -1 and you get 5.

  9. anonymous
    • one year ago
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    \[\begin{vmatrix}3&2\\0&1\end{vmatrix}=3-0\]\[\begin{vmatrix}-1&2\\2&1\end{vmatrix}=-1-4\]\[\begin{vmatrix}-1&3\\2&0\end{vmatrix}=0-6\]

  10. anonymous
    • one year ago
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    Oh I see, you distributed \(-1\) already. Never mind about the second one.

  11. AmTran_Bus
    • one year ago
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    Okie dokie. its 5

  12. AmTran_Bus
    • one year ago
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    @SithsAndGiggles Ummm. So what did you get?

  13. AmTran_Bus
    • one year ago
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    Is it -5 or 5?

  14. anonymous
    • one year ago
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    Same as you, it's positive.

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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