# Linear & nonlinear functions

Determine if a relationship is linear or nonlinear.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Linear & nonlinear functions

### Problem

Determine if a relationship is linear or nonlinear.