Find the determinant and inverse of three $2 \times 2$ invertible matrices.

Find the inverse of three $2 \times 2$ invertible matrices.

Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.

Find a matrix whose associated linear map maps the unit square to the shown parallelogram. Match figures "of linear maps" with matrices.

Assessment of NCDCS Unit 1 material.

Multiplication of $2 \times 2$ matrices.

Adding and subtracting two 3x3 matrices.

Addition, subtraction and multiplication of 2 x 2 matrices and multiplication by a scalar.

(Last three parts of original question removed.)

Quiz to assess matrix addition, subtraction, multiplication and multiplication by scalar, determinants and inverses, solving a system of simultaneous equations.

Find the determinant and inverse of three $2 \times 2$ invertible matrices.

Elementary Exercises in multiplying matrices. 

Linear combinations of $2 \times 2$ matrices. Three examples.

Linear combinations of $2 \times 2$ matrices. Three examples.

Find the determinant and inverse of three $2 \times 2$ invertible matrices.

Multiplication of $2 \times 2$ matrices.

aij  notation and definition of the order of a matrix.

Matrix addition, multiplication. Finding inverse. Determinants. Systems of equations.

rebelmaths

Review of NCDCS Unit 1 material.

Use the bareMatrices display flag to render a matrix without wrapping it in parentheses.

Set of matrices exercises for knowledge validation. Topics covered:

• Matrix Addition and Subtraction

Multiplication of $2 \times 2$ matrices.

Exercises in multiplying matrices. 

Find the determinant and inverse of three $2 \times 2$ invertible matrices.

Elementary Exercises in multiplying matrices. 

Linear combinations of $2 \times 2$ matrices. Three examples.

Linear combinations of $2 \times 2$ matrices. Three examples.

Exercises on inverting 2x2 and 3x3 matrices.

Semi-worked example of solving simultaneous equations using matrices. Equation values are randomly generated. The student is walked through the steps needed to solve the equations.

Exercises on calculating the determinant of 2x2 and 3x3 matrices.

Find the determinant of three $2 \times 2$ invertible matrices.