Algebra Vocabulary

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What is a term in algebra?

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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 5x + 3y, both 5x and 3y are terms.

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What is a variable?

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A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation. For example, in the expression x + 5, 'x' is the variable.

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What is a constant?

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A constant is a fixed value that does not change. For example, in the expression 3x + 4, the number 4 is a constant.

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What is an operator in algebra?

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An operator is a symbol that represents a mathematical operation. Common operators include + (addition), - (subtraction), × (multiplication), and ÷ (division).

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What is an expression?

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An expression is a combination of numbers, variables, and operators that represents a value. For example, 2x + 3 is an expression.

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=). For example, x + 2 = 5 is an equation.

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How many terms are in the expression 5x + 3y - 15 + x?

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There are 4 terms in the expression: 5x, 3y, -15, and x.

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What are coefficients in algebra?

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Coefficients are the numerical factors in front of variables in an expression. For example, in 4x, 4 is the coefficient of x.

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What is the difference between terms and factors?

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Terms are the individual parts of an expression separated by + or - signs, while factors are the numbers or variables that are multiplied together to form a term.

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What does it mean for an expression to be simplified?

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Simplifying an expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary parentheses.