#### Find the value of p, given that the line passes through the point (-4, 4) (1992).

**Solution:**

#### Given that (a, 2a) lies on the line find the value of a.

**Solution:**

#### The graph of the equation y = mx + c passes through the points (1, 4) and (-2, -5). Determine the values of m and c.

**Solution:**

**More Solutions:**

- Write down the equation of the line whose gradient is (1/2).
- Equation of the straight line containing the point (3, 2).
- Three vertices of a parallelogram ABCD.
- A and B are two points on the x-axis and y-axis.
- Find the equations of the diagonals of a rectangle.
- State which one of the following is true: