A blank graph usually comes from the window, hidden plots, or entry issues rather than a broken graph tool.
Why it happens
A blank graph usually comes from the window, hidden plots, or entry issues rather than a broken graph tool.
Suggested steps
- Adjust the window.
- Turn off stray plots.
- Re-check the expression in Y=.
Independent note
This explanation is written for an independent TI-84 style practice environment and should be treated as educational troubleshooting guidance.