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Matrices and determinants

Matrix operations, determinants of order 2 and 3 and inverse matrices

The Matrices and determinants unit belongs to the Section 7 section of Math Mental and has 14 lessons: matrix operations, determinants of order 2 and 3 and inverse matrices.

Practice this unit

Lessons in this unit

  1. Adding matrices Lesson, 8 questions
  2. Linear combinations of matrices Lesson, 8 questions
  3. An entry of the product Lesson, 8 questions
  4. Matrix product Lesson, 8 questions
  5. 2x2 determinant Lesson, 8 questions
  6. Determinants with negatives Lesson, 8 questions
  7. Practice: operations and determinants Practice, 10 questions
  8. Rule of Sarrus Lesson, 8 questions
  9. Equations with determinants Lesson, 8 questions
  10. Inverse with determinant ±1 Lesson, 8 questions
  11. Inverse with fractions Lesson, 8 questions
  12. An entry of the inverse Lesson, 8 questions
  13. Review: determinants and inverse Practice, 10 questions
  14. Unit test 12 questions

This unit in numbers

11 lessons, 2 practices, and 1 test, with 120 questions in total.

It starts with “Adding matrices” and ends with “An entry of the inverse”.

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