Question

PLEASE HELP!!!!!! 20+ POINTS

I have not been paying attention in class at all for the past 3 weeks, and we have a test tomorrow. Please explain all this stuff and more related to it. if it is not good enough then I will delete it and you will not get the points.

Answer 1

B. (x , y) -> (-y , x)

Explanation:

counter clockwise rotation 90° : (x,y) -> (-y,x)