The distance between the points A(0, 6) and B(0, -2) is

1. 6 units

2. 8 units

3. 4 units

4. 2 units

If the distance between the points (2, -2) and (-1, x) is 5 units, then one of the value of x is

1. -2

2. 2

3. -1

4. 1