Question

Given M is the mid point of AB, find the co ordinates of:
1. A;if M=(1, 7) and B=(-5,10),
2. B; if A=(3,-1) and M=(-1, 3).​

Answer 1

Answer:

1. A is (-2,17/2)

2. A is (1,1)

By using the formula {(x1+x2)/2,(y1+y2)/2}