The midpoint of line segment AB is cap m times open paren 12 comma negative 3 close paren One endpoint is cap A times open paren 3 comma negative 8 close paren Find the coordinates of endpoint cap b
Answer
A
open paren 7 point 5 comma negative 5 point 5 close paren
B
open paren 21 comma 2 close paren
C
open paren 17 comma 6 close paren
D
open paren negative 6 comma negative 13 close paren