Answer:
Point B
Explanation:
In a pair representation of a point first element refers to X axis and the second refers to Y axis.
1. find x = 2 on X axis (horizontal axis)
2. draw a vertical line passing x = 2
3. find y = -4 on Y axis (vertical axis)
4. draw a horizontal line passing y = -4
5. Where the 2 drawn lines are cross is the answer