Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

Focus and Directrix of Parabolas

作者:mihirb
主题:抛物线
This interactive shows the focus,vertex,and directrix of a parabola in vertex form. Vertex: (h,k) Focus: Directrix:

新资源

发现资源

发现主题