Respuesta :
[tex]\bf \begin{array}{ccccccccc}
&&x_1&&y_1\\
&&(~ -1 &,& 3~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 3
\\\\\\
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-3=3[x-(-1)]
\\\\\\
y-3=3(x+1)\implies y-3=3x+3\implies y=3x+6[/tex]
