# Matrices and Linear Transformations - Lesson+Practice

Explore by selecting the desired values for

*linear transformations*applied to different objects:*points*,*lines*,*circles*,*functions*and to the*unit square*with a vertex in the origin. The*starting objects*are displayed in*green*, and can be*dragged*; the*transformed*objects are displayed in*red*. Some*predefined transformations*are already available:*reflections*about axes,*shears*,*homotheties*and*rotations*. You can also select a*custom transformation*, and define the transformation matrix*a*,*b*,*c*, and*d*using the corresponding sliders.Download our apps here: