Algebra is a branch of mathematics that involves the use of symbols and letters to represent numbers and quantities in equations and formulas. It is a fundamental part of mathematics and is used in various fields, including science, engineering, economics, and finance.

## Definitions

Algebra is defined as the branch of mathematics that deals with the manipulation and solving of equations using symbols and letters. It is also the study of mathematical structures and their properties.

## Origin

The word algebra is derived from the Arabic word “al-jabr,” which means “reunion of broken parts.” The term was first used by the Persian mathematician Muhammad ibn Musa al-Khwarizmi in his book “Kitab al-Jabr wa al-Muqabala” (The Book of Restoration and Balancing).

## Meaning in different dictionaries

According to Merriam-Webster, algebra is defined as “a branch of mathematics dealing with symbols and the rules for manipulating those symbols.” The Oxford English Dictionary defines algebra as “the branch of mathematics that deals with the manipulation and properties of equations and formulae involving letters and symbols.”

## Associations

Algebra is associated with various mathematical concepts, including equations, formulas, variables, functions, and graphs. It is also associated with other branches of mathematics, such as calculus, geometry, and trigonometry.

## Synonyms

Some synonyms of algebra include mathematics, arithmetic, calculus, geometry, and trigonometry.

## Antonyms

Antonyms of algebra include illiteracy, innumeracy, and ignorance.

## The same root words

The word algebra has several root words, including “al-jabr,” which means “reunion of broken parts” in Arabic, and “al-gebra,” which means “reunion of broken parts” in Spanish.

## Example Sentences

- To solve the equation, you need to have a good understanding of algebra.
- Algebra is used in various fields, including science, engineering, and finance.
- The study of algebra can help improve problem-solving skills.
- The use of variables and symbols is a fundamental part of algebra.
- Algebraic equations can be solved using various methods, including substitution and elimination.