Find the endpoint given one endpoint and midpoint Mistake

The video tutorial explains how to find the missing endpoint of a line segment when given the midpoint. It starts by introducing the problem and plotting the given points on a coordinate plane. The instructor then explains the concept of a midpoint and demonstrates how to calculate the missing endpoint by using the properties of the midpoint. The session concludes with a brief mention of an algebraic method to be covered in another class.

What new insight or understanding did you gain from this video?