Write the slope-intercept form of the equation of each line.
Write the slope-intercept form of the equation of the line through the given points.
1) through: (-2, -3) and (0, 1)
2) through: (0, 2) and (-4, -3)
3) through: (0, 1) and (5, 3)
4) through: (0, -3) and (-1, -3)