Algebraic Expressions

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What are unlike terms?

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Unlike terms are terms that have different variables or different powers of the same variable. For example, 12x and 23 are unlike terms.

Tags

CCSS.6.EE.A.2B

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What are like terms?

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Like terms are terms that have the same variable raised to the same power. For example, 11x, 43x, and 560x are like terms.

Tags

CCSS.6.EE.A.2B

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What is a literal coefficient?

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A literal coefficient is the numerical factor in a term that contains variables. For example, in 567817xy, the literal coefficient is 567817.

Tags

CCSS.6.EE.A.2B

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What is the sum of 123xyz + 123xyz?

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The sum is 246xyz.

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CCSS.7.EE.A.1

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What is the result of 11z - 12z?

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The result is -1z or -z.

Tags

CCSS.7.EE.A.1

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Define an algebraic expression.

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An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5.

Tags

CCSS.6.EE.A.2B

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What is a variable in algebra?

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A variable is a symbol, often a letter, that represents one or more numbers. For example, in the expression 2x + 3, x is a variable.

Tags

CCSS.6.EE.A.2B

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What does it mean to simplify an expression?

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

Tags

CCSS.7.EE.A.1

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What is the difference between a term and an expression?

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A term is a single mathematical entity (like 5x or 3), while an expression is a combination of terms (like 5x + 3).

Tags

CCSS.6.EE.A.2B

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What is the degree of a polynomial?

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The degree of a polynomial is the highest power of the variable in the expression. For example, in 4x^3 + 2x^2, the degree is 3.