Question

M is the midpoint of BC and N is the midpoint of CD.

a) Express DB in terms of a and b in its simplest form.
b) Express NM in terms of a and b in its simplest form.
c) Is DB parallel to NM? Write a sentence to explain your answer.
4a
66
B
M
N

Answer 1

Hence, (a) DB = -6b + 8a

( b) NM = -3b + 4a

(c) DB 11 NM