Question

Determine a vector equation for the line through the points (-1, 4) and (2, -1).
Please help

Answer 1

we just did one like this, but they gave you the slope first;
here you have to figure it yourself.
m = (-1-4)/(2+1) = -5/3
r = (-1 +t)i + (4 - 5/3 t)j