Question

Find the equation in standard form which passes through (-2, -7) and (1, -1).

Answer 1

m = {-7-(-1)}/{-2-1} = 2
y = mx +c
y = 2x + c
now put any point at the place of x and y
-1 = 2 + c
so c = -3
and equation is
y = 2x -3