Question

Find the coordinates of the image of point R(3, -5) rotated 180 degrees about the origin.

A. (-3, 5)
B. (-5, -3)
C. (5, 3)
D. (3, -5)

Answer 1

180 degrees means that the new x=-x and the new y=-y so
x=3 and y=-5 is orignal
new is -3 and 5

so new oint is

A(-3,5)