Question

Write a vector equation for the line that passes through the given points.
(a) (-1 ,2) and (2,-3)

Answer 1

Suppose the first point \[v_1=[-1,2]^T,\] the second point \[v_2=[2,-3]^T,\] the point on this line is v, then \[v-v_1=\lambda(v-v_2)\]