let S(a,b) be the other point
vector PS = vector QR
[a+2,b-1] = [10,-1]
a+2=10 ---> a = 8
b-1=-1 ---> b = 0
S is (8,0)
Check by finding slope of SR and PQ, it works
The points P(-2, 1), Q(-6, 4) and R(4,3) are three verticies of parallelogram PQRS .
Find the coordinate S.
1 answer
1 answer