Answer:
1. y = 4x - 2
2. y = [tex]\frac{1}{3}[/tex]x + 4
3. y = -x
Step-by-step explanation:
use the [tex]\frac{y_{2} - y_{1}}{x_{2} - x_{1}}[/tex] to find the gradient
and input one of the points to get the y-intercept.