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Systems with the inverse matrix Quiz: printable

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Systems with the inverse matrix Quiz

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10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/systems-with-the-inverse-matrix/quiz/

  1. 1

    Solve 2x + y = 5, x + y = 3 using the inverse matrix

    Answer: ____________________

  2. 2

    Solve 3x + 2y = 7, x + y = 3 using the inverse matrix

    Answer: ____________________

  3. 3

    Solve 2x + 3y = 12, x + 2y = 7 using the inverse matrix

    Answer: ____________________

  4. 4

    Solve 3x + y = 7, 2x + y = 5 using the inverse matrix

    Answer: ____________________

  5. 5

    Solve 4x + 3y = 2, x + y = 1 using the inverse matrix

    Answer: ____________________

  6. 6

    Solve 3x − 2y = 4, −x + y = −1 using the inverse matrix

    Answer: ____________________

  7. 7

    Solve 2x + 5y = 1, x + 3y = 0 using the inverse matrix

    Answer: ____________________

  8. 8

    Solve 3x + y = 5, x + y = 3 using the inverse matrix

    Answer: ____________________

  9. 9

    Solve 2x + y = 1, x + y = 2 using the inverse matrix

    Answer: ____________________

  10. 10

    Solve 2x + 2y = 6, x + 3y = 7 using the inverse matrix

    Answer: ____________________

Answer key

  1. (x, y) = (2, 1)
  2. (x, y) = (1, 2)
  3. (x, y) = (3, 2)
  4. (x, y) = (2, 1)
  5. (x, y) = (−1, 2)
  6. (x, y) = (2, 1)
  7. (x, y) = (3, −1)
  8. (x, y) = (1, 2)
  9. (x, y) = (−1, 3)
  10. (x, y) = (1, 2)

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