Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression consists of one or more numbers, variables, and operations.

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents a number.

Front

Evaluate the expression: b² + 4 when b = 3.

Back

13

Front

How many terms are in the expression: 5² + 7n - 2f?

Back

3

Front

Which of the following is a quotient: 3a, 3 ÷ a, 3 - a, 3 + b?

Back

3 ÷ a

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a product of numbers and variables.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the degree of the term 4x²y?

Back

The degree is 3, which is the sum of the exponents (2 from x and 1 from y).