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 …

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

Explore key 7th‑grade math skills aligned with New York’s Next Generation standards, including ratio reasoning, proportional relationships, integer operations, expressions, equations, and …

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Unit test Test your understanding of Introduction to algebra with these 13 questions.

Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more.

Algebra 1 17 units · 184 skills Unit 1 Algebra foundations Unit 2 Solving equations & inequalities Unit 3 Working with units Unit 4 Linear equations & graphs

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

Get ready for Algebra 1! Learn the skills that will set you up for success in equations and inequalities; working with units; linear relationships; functions and sequences; exponents …

This topic covers: - Adding & subtracting matrices - Multiplying matrices by scalars - Multiplying matrices - Representing & solving linear systems with matrices - Matrix inverses - Matrix …