Name: Why Do You Need Algebra?
Uploaded: 2022-08-24T12:07:32.707Z
Channel: House of Math
Description: Algebraic expressions are mathematical expressions made up of symbols together with numbers. Watch the video to see why you need to understand algebra.

The term algebra originates from the arabic word ‘al-jabr’, which means reunion of broken parts. ‘Al-jabr’ was used for the first time by the Persian mathematician and astronomer al-Khwarizmi in his book about equations written in the early 9th century.

Algebraic expressions are mathematical expressions made up of symbols together with numbers. Watch the video to see why you need to understand algebra.

A symbol, often a letter from the alphabet, which represents an unknown value.

A mathematical statement which tells you that two expressions are equal

A function is a relationship between two — or more — variables. If you input a number into a function, it can only output one value.

Mathagon

Algebra

Variable

Coefficient

Algebraic Expression

Combining like Terms

Subtracting Variables

Adding and Subtracting Unlike Terms

Multiplying Numbers by Coefficients

Combining Variables with Exponents

Replacing a Variable with a Number

Elementary Algebra

Introduction

Learn about algebraic expressions. Watch videos and do activities involving algebra. Learn about variables and coefficients. See how to combine terms.