Consider the diagram from problem 1; what are the (x,y) coordinates of the image of point S under a 180° clockwise rotation with rotocenter A?
A) (8,4)
B) (-4,-8)
C) (4,8)
D) (-8,-4)
E) None of the above.

Question

Consider the diagram from problem 1; what are the (x,y) coordinates of the image of point S under a 180° clockwise rotation with rotocenter A? 
A) (8,4)
B) (-4,-8)
C) (4,8)
D) (-8,-4)
E) None of the above.

Quizplus · Accepted Answer

A 180° rotation around a point (rotocenter) inverts the coordinates of the point being rotated. If point S is initially at (x, y) and the rotocenter A is at the origin (0,0), the coordinates after rotation will be (-x, -y).

Consider the Diagram from Problem 1; What Are the (X,y)