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20 questions and an answer page, sized for A4.

Matrix multiplication and determinants

Year 10 · Patterns & Algebra · 20 questions

Name
Date
  1. 1.
    What is the entry in row 2, column 2 of AB?
  2. 2.
    What is the entry in row 2, column 2 of AB?
  3. 3.
    Find the determinant of A.
  4. 4.
    Find the determinant of A.
  5. 5.
    What is the entry in row 1, column 2 of AB?
  6. 6.
    Find the determinant of A.
  7. 7.
    What is the entry in row 1, column 1 of AB?
  8. 8.
    Find the determinant of A.
  9. 9.
    Find the determinant of A.
  10. 10.
    What is the entry in row 1, column 2 of AB?
  11. 11.
    What is the entry in row 1, column 2 of AB?
  12. 12.
    What is the entry in row 2, column 2 of AB?
  13. 13.
    Find the determinant of A.
  14. 14.
    What is the entry in row 2, column 1 of AB?
  15. 15.
    Find the determinant of A.
  16. 16.
    What is the entry in row 1, column 1 of AB?
  17. 17.
    What is the entry in row 1, column 1 of AB?
  18. 18.
    Find the determinant of A.
  19. 19.
    Find the determinant of A.
  20. 20.
    What is the entry in row 2, column 2 of AB?

Free maths worksheets and practice: rocketdigits.com/learn/matrix-multiplication-and-determinants

Answers: Matrix multiplication and determinants

  1. 30
  2. 5
  3. -4
  4. 10
  5. 28
  6. 12
  7. 11
  8. -40
  9. -30
  10. 0
  11. -1
  12. 8
  13. 5
  14. -4
  15. 7
  16. -13
  17. 15
  18. -4
  19. 30
  20. -40

Free maths worksheets and practice: rocketdigits.com/learn/matrix-multiplication-and-determinants

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