Question

* Required

2. Triangle MNO has coordinates M(0, 0), N(5, 3), and 0(5,-4).
Triangle MNO will be rotated 180° counterclockwise about the origin. What
will be the coordinates of O'?
O A. (-4,5)
OB. (-5,4)
OC. (-5,-4)
O D. (4,-5)

Answer 1

B

Explanation:

under a counterclockwise rotation about the origin of 180°

a point (x, y ) → (- x, - y ) , then

O (5, - 4 ) → O' (- 5, 4 )