Vector u has its initial point at (21, 12) and its terminal point at (19,-8). Vector v has a direction opposite that of u, whose magnitude is five times
the magnitude of v. Which is the correct form of vector V expressed as a linear combination of the unit vectors I and J?
A
V=-101+4)
B.
V=-0.41-4)
C.
v=0.41+4)
D.
v= 151 + 100)