Number System and Arithmetic Algebra is the branch of mathematics that deals with symbols (or variables) and the rules for manipulating them. It is mainly divided into two types: Elementary Algebra (Taught in Schools): Deals with variables and operations like addition, subtraction, multiplication, and powers. Example, x + 10 = 100, x 2 - 2x + 1 = 5, and x + y = 20. Abstract Algebra (Taught in Colleges): Deals with groups, rings, and fields instead of normal variables (representing numbers). Why Learn Algebra Builds strong logical thinking and problem-solving skills useful in academics and daily life. Forms the foundation for advanced topics like calculus, coordinate geometry, and statistics. Used in science, engineering, economics, computer science, and data analysis. Helps solve real-world problems involving patterns, relationships, and unknown values. Operations on Real Numbers Order of Operations Ratio and Proportion Variables and Constants Algebraic Expressions Operations on Algebraic Expressions Algebraic Identities Translating Word Problems into Expressions What is an Equation? One-Step Equations Two-Step and Multi-Step Equations Linear equation in one Variable Linear Equation in Two Variables Graphing Linear Equations Linear Inequalities Systems of Equations and Polynomials System of Linear Equations Substitution Method Elimination Method Cross-Multiplication Method Operations on Polynomials: Add & Subtract | Multiplication | Division Factorization & Quadratics Factorization of Polynomial Factor Theorem and Remainder Theorem Zeroes of a Polynomial Quadratic Equations Solving Quadratics Quadratic Formula Practice questions at different difficulty levels, including linear and quadratic equations, to help you sharpen your skills and prepare for exams. Algebra Formulas Algebra Tricks for Aptitude Aptitude Questions & Answers Practice Questions ( Easy ) | ( Medium ) | ( Hard ) Practice Problems on Linear Equation in Two Variables Practice Questions on Quadratic Equations For Programmers Algebra concepts for programmers, including coding solutions for linear and quadratic equations. Find number of solutions of a linear equation of n variables

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