Algebraic Expressions Vocabulary

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What is a base in an algebraic expression?

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The base is the number or variable that is raised to a power. For example, in 4^2, 4 is the base.

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How many terms are in the expression 4^2 + 2x - 7?

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There are 3 terms in the expression: 4^2, 2x, and -7.

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What is a coefficient in an algebraic expression?

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A coefficient is a number that is multiplied by a variable. In 2x, 2 is the coefficient.

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What is a variable in an algebraic expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value. In 2x, x is the variable.

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What is a constant in an algebraic expression?

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A constant is a fixed value that does not change. In the expression 4(x-2) - 12, -12 is the constant.

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What is an exponent in an algebraic expression?

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An exponent indicates how many times the base is multiplied by itself. In 4^2, 2 is the exponent.

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What is an algebraic expression?

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An algebraic expression is a combination of numbers, variables, and operations (like addition and multiplication) that represents a value.

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What is a term in an algebraic expression?

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A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by + or - signs.

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What does it mean to simplify an algebraic expression?

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

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What are like terms in algebra?

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Like terms are terms that have the same variable raised to the same power. For example, 2x and 3x are like terms.