Combining Terms & Substitution

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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 multiplied together. For example, in the expression 4 + 3x + 2y^2, the terms are 4, 3x, and 2y^2.

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What is a constant term in an expression?

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A constant term is a term that does not contain any variables. It is a fixed value. For example, in the expression 5x + 3, the constant term is 3.

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How do you combine like terms?

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To combine like terms, you add or subtract the coefficients of terms that have the same variable raised to the same power. For example, in the expression 3x + 5x, you combine them to get 8x.

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What is the coefficient in an algebraic term?

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The coefficient is the numerical factor in a term. For example, in the term 7x, 7 is the coefficient.

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What is the order of operations in mathematics?

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The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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The terms are 4, d, and 12n^2.

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