Writing algebraic expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does the variable 'h' represent in the expression 100 + 20h?

Back

In the expression 100 + 20h, 'h' represents the number of hours.

Front

How do you represent the total cost of a service that has a fixed fee and a variable fee based on time?

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You can represent it as a linear expression, such as fixed fee + (variable fee per unit) * (number of units). For example, 100 + 20h.

Front

If c represents the total number of cookies, how do you express the amount each person gets when shared among 4 people?

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Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal, using an equality sign.

Front

How do you express the operation of dividing a number by another number in algebraic terms?

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Front

What does the expression (14 - 7) ÷ c represent?

Back

It represents the difference between 14 and 7, divided by the variable 'c'.

Front

How do you express tripling a variable 'p' in algebraic terms?

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You express it as 3p.

Front

What is the correct algebraic expression for 'the difference of nineteen and a number b, then divide by four'?

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What does the term 'variable' mean in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions or equations.