Question

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

Answer 1

1. Get a graph paper
2. Plot the two points
3. Connect them to the origin
4. Judge

Answer 2

Or alternatively:
1. Get a graph paper
2. Plot the point B
3. Connect to the origin
4. Rotate by 180º
5. See if it's the new point

Answer 3

listen to kenny :P

Answer 4

i did it and its the new point

Answer 5

i got -5, 1

Answer 6

So it's true