Writing 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, and operation symbols. For example, 3x + 5 is an algebraic expression.

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What does it mean to 'subtract' in algebra?

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To subtract means to take one quantity away from another. In algebra, this is often represented by the minus sign (-). For example, in the expression d - 15, 15 is subtracted from d.

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How do you represent 'less than' in algebraic expressions?

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'Less than' is represented by subtraction. For example, '15 less than d' is written as d - 15.

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What is the meaning of 'the product of' in algebra?

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'The product of' refers to multiplication. For example, 'the product of 7 and s' is written as 7s.

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How do you express 'divided by' in algebra?

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'Divided by' is represented by the division symbol (/) or a fraction. For example, 'm divided by 7' is written as m/7.

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What does 'the difference of' mean in algebra?

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'The difference of' refers to subtraction. For example, 'the difference of 100 and 6' is written as 100 - 6.

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How do you write 'a number split equally by 7' in algebra?

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This is expressed as n ÷ 7 or m/7, where n or m represents the number.

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What does 'the quantity' mean in algebraic expressions?

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'The quantity' refers to the expression inside parentheses. For example, 'the quantity 6 plus w' is written as (6 + w).

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How do you express '5 less than' in algebra?

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'5 less than' a number x is written as x - 5.

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What is the algebraic expression for 'divide m by 7, and then subtract 4'?

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This is written as (m/7) - 4.