Analytic Geometry
Virginia SOL MA.AG.5
Use matrices to organize data and perform operations to solve systems of equations.
What students need to be able to do
- Multiply matrices by a scalar.
- Add matrices.
- Subtract matrices.
- Multiply matrices.
- Represent problems with a system of no more than three linear equations.
- Express a system of linear equations as a matrix equation.
- Solve a system of equations using matrices.
- Determine the inverse of a two-by-two or three-by-three matrix using paper and pencil.
- Verify two matrices are inverses using matrix multiplication.
- Verify the commutative property for matrix addition.
- Verify the associative property for matrix addition.
- Verify the commutative property for matrix multiplication.
- Verify the associative property for matrix multiplication.