110k views
4 votes
Find the equation of a line given two points (1, 2) and (4, 3).

User RSingh
by
5.5k points

1 Answer

3 votes

Answer:


slope \: or \: gradient = y2 - y1 / x2 - x1 \\ 3 - 2 / 4 - 1 \\ 1 / 3 \\ y = mx + c \\ 2 = 1 / 3 * 1 + c \\ 2 = 1 / 3 + c \\ 2 - 1 / 3 = c \\ c = 5 / 3 \\ y = 1 / 3x + 5 / 3

User VivekParamasivam
by
5.6k points