Write the equation of each line in slope-intercept form:
slope: \frac{2}{3}, y-intercept: -4 equation: _______
slope: 0, y-intercept: 3 equation: _______
slope: -4, y-intercept: 0 equation: _______
going through the points (3,3) and (1,5) - equation: _______
going through the points (0,-1) and (-1,3) - equation: _______
going through the points (1,-1) and (-5,-4) - equation: _______