Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …

Algebra (all content) 20 units · 412 skills Unit 1 Introduction to algebra Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs

Khan Academy's Algebra 2 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!

Unit 9: Relating algebra and geometry Unit mastery: 0% Distance and midpoints Standard equation of a circle Expanded equation of a circle

Modulus (absolute value) and argument (angle) of complex numbers Polar form of complex numbers Graphically multiplying complex numbers Multiplying and dividing complex numbers …

Get ready for Algebra 2! Learn the skills that will set you up for success in polynomial operations and complex numbers; equations; transformations of functions and modeling with functions; …

Getting ready to teach Algebra 1? You’ll want Khan Academy’s unit guides in your toolkit. Developed by our learning experts, each guide includes student misconceptions, top teaching …

In AP Physics 1, you'll learn algebra-based classical mechanics. To make sure you’re prepared with the fundamentals, we recommend completing high school physics before diving into AP …

Linear algebra 3 units · 4 skills Unit 1 Vectors and spaces Unit 2 Matrix transformations Unit 3 Alternate coordinate systems (bases)