IB Maths AI HL AHL 1.14 (HL)—Matrices Question Bank

• Use matrix terminology, order, equality, addition, subtraction, scalar multiplication and multiplication.

• Know identity/zero matrices, determinants and inverses; hand calculation is limited to 2x2 inverses/determinants.

• Write systems as Ax=b and solve with inverse matrices; apply matrices to coding, decoding and systems.