Question

When point B (5, -1) is rotated 180º about the origin, its coordinate becomes (-5, 1).

True

False

Answer 1

When a point (x,y) rotated 180⁰ about origin, the new point will be (-x, -y).

So,

if we have (5, -1), it should become (-5, 1).

So,

answer is true.