Graph a Parabola to Find the Vertex, the Focus, the Directrix and More on the TI 84 Plus CE

Two ways to Graph a Parabola on the TI84 and different ways to calculate the Vertex, Focus, and Directrix.
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0:22 Graph a Upwards or Downwards Parabola
2:10 Zoom In on the Parabola Using a ZBox
3:14 Find the Vertex Using Trace Button
4:40 How to Verify the Vertex Location
5:12 Use the Conics App for Parabolas
6:08 Quickly Find the Vertex, Focus and Directrix
6:39 Find the Axis of Symmetry
6:50 Graphing Parabola with Conics App

[@jeprefereetreaparis2700]

God bless you, Sir! You are a life-saver. This is more than a great job!!!

[@newgenerationsalandann6233]

It is a very clear instruction from you. Thanks a lot Sir for your teaching!

[@skylarkphillips744]

the conics app is useless on the TI 84