Algebraic Expressions

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What is an algebraic expression?

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An algebraic expression is a mathematical phrase that can include numbers, variables (like x or y), and operations (like addition, subtraction, multiplication, and division).

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What does 'decreased by' mean in algebra?

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'Decreased by' means to subtract a number from another number. For example, 'd decreased by 29' is written as d - 29.

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How do you express '4 times a number' in algebra?

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You express '4 times a number' as 4n, where n represents the number.

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What does 'increased by' mean in algebra?

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'Increased by' means to add a number to another number. For example, '4 times a number increased by 15' is written as 4n + 15.

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What is the product of a number and 9?

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The product of a number n and 9 is expressed as 9n.

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How do you express 'the quotient of a number and 9'?

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The quotient of a number n and 9 is expressed as n/9.

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What does 'less than' mean in algebra?

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'Less than' indicates subtraction. For example, '17 less than the product of 3 and m' is written as 3m - 17.

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What is a variable in algebra?

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A variable is a symbol (usually a letter) that represents an unknown number. For example, in the expression 4n, n is the variable.

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What is a coefficient in algebra?

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A coefficient is a number that is multiplied by a variable. In 4n, 4 is the coefficient.

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What does 'the sum of' mean in algebra?

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'The sum of' means to add two or more numbers or expressions together.