P is the point 2,3
Q is the point 6,6
Write down vector PQ in column form. I got 4 over 3 (not sure how to use latex with this one)
PQRS is a prallelogram
Vector PR (not sure how to make the vector sign in latex) = 4 over 7
Find vector QS
I did -4 over -4 + 0 over 4 and got -4 over 1 as an answer.