Find the equations for the following lines.

1. Slope = 3, *y*-intercept = -2

2. Slope - 1, through (2, 3).

3. Slope = 0, through (2, 3).

4. Vertical through (2, 3).

5. Through ( 1, 2) and ( 5, 6).

6. Through (1, 2) and (5, 2).

7. Through (1, 2) and (1, 4).