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Algebraic expressions | Algebra basics | Math | Khan Academy
The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are! Let's explore the basics of communicating in algebraic expressions.
Solving equations & inequalities | Algebra 1 | Math | Khan Academy
There are lots of strategies we can use to solve equations. Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no solution, or infinite solutions. **Unit guides are here!**
Algebra 1 | Math | Khan Academy
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 function; Exponential models; and Quadratic equations, functions, and graphs.
Algebraic equation | Class 9 Algebra (OD) | Math | Khan Academy
Equations with parentheses: decimals & fractions Get 3 of 4 questions to level up!
Algebra basics - Khan Academy
Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.
Linear equations and inequalities | Algebra basics - Khan Academy
We will now equate two algebraic expressions and think about how it might constrain what value the variables can take on. The algebraic manipulation you learn here really is the heart of algebra.
Introduction to algebra | Algebra (all content) | Math | Khan Academy
This topic covers: - Evaluating algebraic expressions - Manipulating algebraic expressions & equivalent expressions - Seeing structure in expressions - Irrational numbers - Division by zero
Linear equations, functions, & graphs | Khan Academy
This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing linear equations/functions - Interpreting linear equations/functions - Linear equations/functions word problems
Expressions, equations, & inequalities | 7th grade math - Khan Academy
Bring on the algebra! Learn how to manipulate expressions and solve equations and inequalities.
6th grade math - Khan Academy
Learn sixth grade math—ratios, exponents, long division, negative numbers, geometry, statistics, and more. (aligned with Common Core standards)
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