Question

Given the following endpoint (A) and midpoint (M), find the other endpoint (B).
M(2, 3)
A(0, -1)
1)
(4, 7)
2)
(-1, 0)
3)
(3, 2)
4)
(7, 4)

Answer 1

(4, 7)

Answer 2

the formula is B=2M-A
B=2(2,3)-(0,-1)
=(4,6)-(0,-1)
=(4,7)