GeoGebra Classroom Shear
Shear this shape using x-axis as an invariant line with the scale factor 1
Shear this shape using x-axis as an invariant line with the scale factor 2
Shear this shape using y=1 as an invariant line with the scale factor 3
Shear this shape using y=1 as an invariant line with the scale factor -3
Fully describe the single transformation that maps the blue shape onto red one.