The line kx - y = 9 passes through the point (6, 3), the value of k is :

1. 2

2. -2

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

4. $-\dfrac{1}{2}$

The line 3x - $\dfrac{y}{2}$ = 10 passes through the point (2, -4); is this statement true ?

1. no

2. yes

3. neither true nor false

4. none of the above

The point of intersection of the lines x + y = 8 and x - y = 0 lies on the line mx - 2y = 0; the value of m is :

1. 3

2. 4

3. 2

4. -2

The line x + y = 4 bisects the line segment joining the points (0, k) and (4, 0), the value of k is :

1. 2

2. 4

3. -4

4. -2