Unit 2 Linear Expressions Vocabulary

Front

Algebraic Properties

Back

Rules that describe how numbers and variables work in math (like the distributive property or associative property).

Front

Inverse Operations

Back

Math actions that undo each other (like addition and subtraction, or multiplication and division).

Front

Coefficients

Back

The numbers in front of variables in an expression (in 3𝑥, the coefficient is 3).

Front

Linear Equation in One Variable

Back

An equation that forms a straight line when graphed and has only one variable (like 𝑥 + 4 = 9).

Front

Equation

Back

A math statement that says two things are equal (like 3𝑥 =12).

Front

Linear Inequality in One Variable

Back

A math sentence that shows one side is bigger or smaller (not always equal) and has just one variable (like 𝑥 + 3 < 8).

Front

Equivalent Equation

Back

Two equations that have the same solutions (they mean the same thing even if they look different).

Front

Literal Equation

Back

An equation with two or more variables, often solved for one variable in terms of the others (like 𝐴 = 𝑙𝑤).

Front

Expression

Back

A math phrase with numbers, variables, or both, but no equal sign (like 4𝑥 + 7).

Front

Terms

Back

The different parts of an expression separated by plus or minus signs (in 2𝑥 + 5 , the terms are 2𝑥 and 5).