Question

The image of a point after a –90° rotation about the origin is (–4, 7). What are the coordinates of the preimage?

Answer 1

So after we rotate a point -90 degrees...it ends up at -4(7)
so that's up there basically right?

Answer 2

What are your thoughts on this? where would the original point be if this is the result of a -90 degree rotation?

Answer 3

Think about a rotation of 90 degrees being the same thing as a reflection