Question

4. Find the value of a, for which point p (a/3,2) is the midpoint of the line segment

joining the points Q (-5, 4) and R(-1,0).​

Answer 1

a = -9

Explanation:

P(a/3 , 2) is mid-point of Q (-5 , 4) and R (-1 , 0)

a/3 = (-5 + (-1))/2 = -6/2 = -3

a = -9