Two different relationships are shown below.

Question

Relationship 1: xy = 3

Relationship 2: A graph is shown that has the following points plotted: one comma three, two comma six, three comma nine, four comma twelve.

a) Identify each relationship as direct or inverse variation.
b) Calculate the constant of each relationship and explain how you arrived at your answer.
c) Using complete sentences, explain how the two relationships are different, and how they are similar.