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  1. 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 …

  2. Algebra (all content) - Khan Academy

    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 Unit …

  3. 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 …

  4. College Algebra | Math | Khan Academy

    Unit 8: Rational expressions and equations Unit mastery: 0% Rational equations Modeling with rational expressions Reducing rational expressions to lowest terms Multiplying and dividing …

  5. Linear equations and inequalities | Algebra basics | Math - Khan …

    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 …

  6. Algebra basics - Khan Academy

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

  7. 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 …

  8. Quadratic functions & equations | Algebra 1 | Math | Khan Academy

    Practice Solve equations by completing the square Get 3 of 4 questions to level up!

  9. Unit 1: Introduction to algebra - Math | Khan Academy

    This topic covers: - Evaluating algebraic expressions - Manipulating algebraic expressions & equivalent expressions - Seeing structure in expressions - Irrational numbers - Division by zero

  10. System of equations | Algebra (all content) | Math | Khan Academy

    Equivalent systems of equations and the elimination method Learn Systems of equations with elimination: King's cupcakes