Question

rotation rules (clockwise): 90° rotation: (x, y)→(y, -x) what are the coordinates for a after a 90° rotation clockwise? (3, 1) (1, 3) (3, -1) (1, -3)

Explanation:

Step1: Identify original coordinates of A

Assume the coordinates of point A are (- 1,3).

Step2: Apply rotation rule

For a 90 - degree clock - wise rotation, the rule is (x,y)→(y, - x). Substitute x=-1 and y = 3 into the rule. We get (3,1).

Answer:

(3,1)