Question

Point A is located at (−2, 2), and point M is located at (1, 0). If point M is the midpoint of segment AB, find the location of point B.

Answer 1

sub B = (x,y)

midpoint= ( (x-2)/2, (y+2)/2 )

(x-2)/2=1 and (y+2)/2=0

x-2=2 and y+2=0

x=4 and y= -2

B= (4,-2)