What is point slope form and where does it come from

The video tutorial introduces the concept of point slope form for writing line equations. It explains the basics of linear equations, the use of subscripts to distinguish points, and how to calculate slope using two points. The tutorial derives the point slope form equation and discusses the flexibility in labeling coordinates. It also compares point slope form with other forms like slope intercept and standard form, highlighting its applications, especially when given two points.

Describe how to use the slope formula to write an equation when given two points.

How can you graph a line using the point slope form?