(2,2), (5,y); slope=2
slope = (y1-y2)/(x1-x2)
2 = (2-y)/(2-5)
2 = (2-y)/(-3)
-6 = 2-y
-8 = -y
8 = y
\(m=\frac{y2-y1}{x2-x1}\)
\(2=\frac{y-2}{5-2}\)
\(y= 2\times{(5-2)}+2\)
\({\color{blue}y=8}\) !