The slope of a line parallel to the line passing through the points (0, 6) and (7, 3) is

1. $\dfrac{3}{7}$

2. -$\dfrac{3}{7}$

3. $\dfrac{7}{3}$

4. -$\dfrac{7}{3}$

The slope of a line perpendicular to the line passing through the points (2, 5) and (-3, 6) is

1. $-\dfrac{1}{5}$

2. $\dfrac{1}{5}$

3. -5

4. 5

The slope of a line perpendicular to the line 3x = 4y + 11 is

1. $\dfrac{3}{4}$

2. $-\dfrac{3}{4}$

3. $\dfrac{4}{3}$

4. $-\dfrac{4}{3}$

If the lines 2x + 3y = 5 and kx - 6y = 7 are parallel, then the value of k is

1. 4

2. -4

3. $\dfrac{1}{4}$

4. -$\dfrac{1}{4}$