#A=(3,16)#
#B=(2,7)#
#C=(x,y)#
#"All points on any line have the same slope"#
#"slope for the line segment of AC is:"#
#alpha=(y-A_y)/(x-A_x)" "alpha=(y-16)/(x-3)" "(1)#
#"slope for the line segment of AB is:"#
#alpha=(B_y-A_y)/(B_x-A_x)" "alpha=(7-16)/(2-3)#
#alpha=(-9)/(-1)" "alpha=9#
#9=(y-16)/(x-3)#
#9x-27=y-16#
#y=9x-27+16#
#y=9x-11#