Question

Passes through (0, -2) and (4,2)

Answer 1

let first calculate the slope

$m=\frac{2-(-2)}{4-0}=\frac{4}{4}=1$

having the slope we can find the equation

$\begin{gathered} y-(-2)=1(x-0)=x \\ y+2=x \\ y=x-2 \end{gathered}$

so the equation is

$y=x-2$