Algebraic Expressions Vocabulary Flashcard

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change. Examples include numbers like 5, -3, or 0.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value. Examples include x and y.

Front

What is a coefficient?

Back

A coefficient is a number that multiplies a variable in an algebraic expression. For example, in 4x, 4 is the coefficient.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate an equation so that the variable is on one side by itself.

Front

What are the terms in the expression 4x + 6y - 2?

Back

The terms are 4x, 6y, and -2.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (like addition and multiplication) 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. For example, 4x + 2 is an expression, while 4x + 2 = 10 is an equation.

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 are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

What is the value of the expression 3x + 2 when x = 4?

Back

The value is 3(4) + 2 = 12 + 2 = 14.