[tex] \bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{0})\qquad
(\stackrel{x_2}{2}~,~\stackrel{y_2}{8})
\\\\\\
slope = m\implies
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{8-0}{2-(-2)}\implies \cfrac{8-0}{2+2}\implies 2
\\\\\\
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-0=2[x-(-2)]
\\\\\\
y-0=2(x+2)\implies y=2(x+2) [/tex]
