If you're seeing this message, it means we're having trouble loading external resources on our website.

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

# Unit 7: Inequalities (systems & graphs)

800 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test

If it takes someone in a cooking competition 30 seconds to chop an onion and 18 seconds to chop a carrot, and their goal is to chop at least 20 of these vegetables in a time limit of 540 seconds, what can they do? Use a system of linear inequalities, of course.

## Checking solutions of two-variable inequalities

### Practice

#### Quiz 1

Level up on the above skills and collect up to 240 Mastery points

## Graphing two-variable inequalities

### Practice

#### Quiz 2

Level up on the above skills and collect up to 240 Mastery points

#### Quiz 3

Level up on the above skills and collect up to 160 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 800 Mastery points!