We use emoji everyday, all over the world. So, this video talks about making the famous laughing emoji using equations in desmos.
We have use only 3 kinds of equation in this whole picture Circles, parabolas and drop equation. So have made this picture using these simple equation and transforming them as our need. This proves the necessity of transformations in graphs.
these kind of curves are covered in conic section . And conic section is the heart of senior secondary mathematics.