Question: What is the distance from the point (1, -1) to the line 2x + 3y - 6 = 0?

Options:

1. 2
2. 1
3. 3
4. 0

Correct Answer: 2

Solution:

Distance = |Ax1 + By1 + C| / √(A² + B²) = |2*1 + 3*(-1) - 6| / √(2² + 3²) = |-7| / √13 = 7/√13.