Introduce some terms, show the process how Descartes connected algebra to geometry 

The tutor introduced Descartes and his Cartesian Coordinate Plane. He also talk about linear equation, table, sample points, coordinates, solutions, etc.  

Math linear equation and coordinate plane

math-linear-equation-and-coordinate-plane

Let's do English ESL deep listening: focus on meaning. Introduce some terms, show the process how Descartes connected algebra to geometry 