Question: What is the distance between the points (3, 4) and (7, 1) in a coordinate plane?

Options:

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

Correct Answer: 5 units

Solution:

Distance = √[(x2 - x1)² + (y2 - y1)²] = √[(7 - 3)² + (1 - 4)²] = √[16 + 9] = √25 = 5 units.