Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hey mathematicians! My name's Ms Szalek and welcome to maths. Today we're going to focus on ...

As seen here we can use 2x2 matrices to performs some 2D transformations (rotations, flips…) but this method has major drawbacks : we can’t perform translation, some transformations lead to unwanted ...