If P (a/3, 4) is the mid-point of the line segment joining the points Q (– 6, 5) and R (– 2, 3), then the value of a is

A. – 4
B. – 12
C. 12
D. – 6

To view this video please

Online Personalized Math Tutoring

For School Kids (Grades 4-10)

Book Trial Class