Question: What is the distance between the points (5, 5) and (5, 9)?

Options:

1. 4
2. 5
3. 6
4. 7

Correct Answer: 4

Solution:

Using the distance formula: d = √((5 - 5)² + (9 - 5)²) = √(0 + 16) = √16 = 4.