Respuesta :

the graph of a line passing through point

[tex](x_1,y_1)[/tex]

with gradient m

is given by

[tex]\begin{gathered} y-y_1=m(x-x_1) \\ \Rightarrow y+6=3(x+5) \\ \Rightarrow y+6=3x+15 \\ \Rightarrow y=3x+9 \end{gathered}[/tex]