Question

Consider a line between points [1 16] and [4 2]. Write a parameter equation for this line

Answer 1

Parametric equation of the line joining points (1,16) and (4,2) is

r = <1,16> + t <4,2> = <1+4t, 16+2t>

so parametric equation is   x = 1 + 4t, y = 16 + 2t