Understanding Graphs of Proportional Relationships

The video tutorial explains proportional relationships using a graph that represents Cole's bracelet sales for fundraising. It covers the significance of the graph's linearity, the meaning of ordered pairs, and the interpretation of specific points like the origin. The tutorial also delves into the concept of the constant of proportionality, emphasizing its calculation and significance in understanding unit rates.

How does the x value in a proportional relationship relate to the y value when x is equal to 1?

Define the constant of proportionality and explain how it is calculated.