# Quadratic inequalities and graphical interpretation

> A quadratic inequality looks like a quadratic equation but uses an inequality sign (\<, \>, ≤, or ≥) instead of an equals sign. To solve a quadratic inequality, you need to find the range of x-values…

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## Full notes

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## More in Equations and inequalities

- [Quadratic equations (factorisation and quadratic formula)](https://www.hlayiso.com/grade-11/technical-mathematics/notes/equations-and-inequalities/quadratic-equations-factorisation-and-quadratic-formula) — Previous section
- [Simultaneous equations and changing the subject](https://www.hlayiso.com/grade-11/technical-mathematics/notes/equations-and-inequalities/simultaneous-equations-and-changing-the-subject) — Next section
- [All Equations and inequalities sections](https://www.hlayiso.com/grade-11/technical-mathematics/notes/equations-and-inequalities)

## Frequently asked questions

### What will I learn in "Quadratic inequalities and graphical interpretation"?

This section covers Quadratic inequalities and graphical interpretation as part of Equations and inequalities in Grade 11 Technical Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Quadratic inequalities and graphical interpretation", are written against the official CAPS curriculum and ATP for Grade 11 Technical Mathematics.

### What should I study after "Quadratic inequalities and graphical interpretation"?

Continue with the next section in Equations and inequalities, or test your understanding with the interactive quiz linked to this section.

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