[tex]\begin{gathered} y=mx+b \\ \text{where} \\ m=\text{slope} \\ b=y-\text{intercept} \end{gathered}[/tex]
Therefore,
m = 2
[tex]\begin{gathered} 5=2(2)+b \\ 5-4=b \\ b=1 \end{gathered}[/tex][tex]y=2x+1[/tex]
when x = 1, y = 3
x = 2, y = 5
x = -1 , y = -1
x = -2, y = -3
