Chapter 3 Flashcard Review

Front

A like term is defined as...

Back

Terms whose variables and exponents are the same.

Front

What is a variable?

Back

An unknown number.

Front

Combine like terms: b + 7b - 3b

Back

5b.

Front

How many terms are in the expression: 7x + 3y -2 - 3x?

Back

4.

Front

What is a term in an expression?

Back

A single mathematical expression that can be a number, variable, or the product of both.

Front

What does it mean to combine like terms?

Back

To add or subtract terms that have the same variable and exponent.

Front

What is a coefficient?

Back

A number that is multiplied by a variable.

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like + and -) without an equality sign.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the degree of a term?

Back

The highest exponent of the variable in that term.