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.

Main content

Unit: Inequalities (systems & graphs)

Not feeling ready for this? Check out Get ready for Algebra 1.

0

Possible mastery points

Checking solutions of two-variable inequalities

Learn
Testing solutions to inequalities
(Opens a modal)
Testing solutions to systems of inequalities
(Opens a modal)
Practice
Solutions of inequalities: algebraicGet 3 of 4 questions to level up!
Solutions of inequalities: graphicalGet 3 of 4 questions to level up!
Solutions of systems of inequalitiesGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 300 Mastery points

Graphing two-variable inequalities

Learn
Intro to graphing two-variable inequalities
(Opens a modal)
Graphing two-variable inequalities
(Opens a modal)
Two-variable inequalities from their graphs
(Opens a modal)
Intro to graphing systems of inequalities
(Opens a modal)
Graphing systems of inequalities
(Opens a modal)
Graphing inequalities (x-y plane) review
(Opens a modal)
Practice
Graphs of inequalitiesGet 3 of 4 questions to level up!
Two-variable inequalities from their graphsGet 3 of 4 questions to level up!
Systems of inequalities graphsGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 300 Mastery points

Modeling with linear inequalities

Learn
Writing two-variable inequalities word problem
(Opens a modal)
Solving two-variable inequalities word problem
(Opens a modal)
Interpreting two-variable inequalities word problem
(Opens a modal)
Modeling with systems of inequalities
(Opens a modal)
Writing systems of inequalities word problem
(Opens a modal)
Solving systems of inequalities word problem
(Opens a modal)
Graphs of systems of inequalities word problem
(Opens a modal)
Graphs of two-variable inequalities word problem
(Opens a modal)
Practice
Two-variable inequalities word problemsGet 3 of 4 questions to level up!
Systems of inequalities word problemsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 200 Mastery points
Up next for you:

Unit test

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

About this unit

In this unit, we study inequalities like x+2y>5 and graph them. This helps us see their solutions. We also explore systems of inequalities (multiple inequalities at the same time) and use them to describe real-world situations.