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douglas12

Determine whether the matrix has an inverse. If an inverse exists, find it. -5 -18 2 7

  • 9 months ago
  • 9 months ago

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  1. Loser66
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    yes

    • 9 months ago
  2. jdoe0001
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    so, what is it?

    • 9 months ago
  3. jdoe0001
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    hehe, don't leave us in suspense :P

    • 9 months ago
  4. douglas12
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    So how do you find the inverse of that matrix

    • 9 months ago
  5. jdoe0001
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    well, let's find the DETERMINANT first, can you find the determinant of that 2x2 matrix?

    • 9 months ago
  6. Loser66
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    read it,at the middle page http://www.mathsisfun.com/algebra/matrix-inverse.html

    • 9 months ago
  7. Directrix
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    @douglas12 If you are allowed to use technology in your work, check out the online matrix inverse calculator at http://www.bluebit.gr/matrix-calculator/

    • 9 months ago
  8. Directrix
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    @douglas12 Post what you get as the inverse.

    • 9 months ago
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