IB skill practice

Use matrix powers for repeated transformations

Interpret repeated transformations through powers of a matrix.

Paper 1, Paper 2 5 marks Difficulty 5

Use matrix powers for repeated transformations - depth scenario

Check the modelling or algorithm condition first. A repeated transformation scales x by 3 each time. Find the x-scale factor after 3 repetitions. Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.