Practice problem
Which transformations can send a point A=[1,1]A=[1,1]A=[1,1] to B=[1,−1]B=[1,-1]B=[1,−1]?
Translation by [0,−2][0,-2][0,−2].
Rotation by 90 degrees clockwise about the origin
Rotation by 90 degrees counter-clockwise about the origin
Reflection over the xxx-axis
Reflection over the yyy-axis
Type a concept, like “slope” or “photosynthesis”.