Question

if P(1,3) is the mid point of line segment AB where coordinates  of A(5,7) find coordinates of B.​

Answer 1

Step-by-step explanation:

let B(x,y)

Given

p is the mid point of AB

(1,3)=(x+5/2 ,y+7/2)

1=x+5/2. 3=y+7/2

2=x+5 6=y+7

x=-3, y=-1

point of B is (-3,-1)