Please go to [url=https://student.desmos.com/join/zvep3m?lang=zh-CN]student.desmos.com[/url][br]Enter the code RP W7 36[br]or go directly to the following link:[br]https://student.desmos.com/join/rpw736?lang=zh-CN[br][br]In this part, we will first revise the previous knowledge of quadrants, distance of points, equation of horizontal and vertical line, reflection and rotation symmetry in order to draw into the topic of transformations by playing through the Desmos and Polypad employed inside.