To find the opposite of a number on a number line, we can imagine moving in the opposite direction from that number.
In this case, we want to find the opposite of negative two.
1. Start by locating negative two on the number line.
2. Move in the opposite direction, which means moving to the left on the number line.
3. By moving to the left, we find the opposite of negative two, which is positive two.
On the number line, the opposite of negative two is positive two.