Find the vertex of
Step 1
Open the table for the function by clicking MENU, then TABLE or 7.
![](../../embeds/c24d9ea6/image-(106).png)
Step 2
Enter in the equation. Click on TABLE or F6 to open the table.
![](../../embeds/3b36f568/image-(124).png)
Step 3
Click on ROW to add rows until you can see symmetry in the
Add
Enter new
-value Click EXE
![](../../embeds/c5b2075f/image-(125).png)