Line segment
posted by Lisa D on .
Find the other endpoint of a line segment with the given midpoint and one endpoint
Endpoint: ( 6, 1); Midpoint: 15/2, 2
A. 9,5 B. 2,15/2 C. 3, 6 D. 15, 4

(x+6)/2=15/2
x + 6 = 15
x = 9
(y  1)/2 = 2
y  1 = 4
y = 5
so I get (9,5)