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. For example, 3a - 20 is an algebraic expression.

Front

What does '20 less than the product of a number a and 3' mean in algebraic terms?

Back

It means to subtract 20 from the result of multiplying a by 3, which is written as 3a - 20.

Front

How do you express 'Eight added to a number y' in algebraic form?

Back

It is expressed as y + 8.

Front

What does 'A number c divided into fourteen' represent in algebra?

Back

It represents the expression 14/c.

Front

How do you write 'Twice a number g' in algebraic terms?

Back

It is written as 2g.

Front

What does 'Eighteen less than a number f' mean in algebra?

Back

It means to subtract 18 from f, which is written as f - 18.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol (like x or y) that represents an unknown value, while a constant is a fixed value (like 5 or -3).

Front

What is the purpose of using algebraic expressions?

Back

Algebraic expressions are used to represent real-world situations and to solve problems involving unknown quantities.

Front

How do you translate the phrase 'the sum of a number x and 10' into an algebraic expression?

Back

It is translated as x + 10.

Front

What does 'the product of 4 and a number n' mean in algebra?

Back

It means to multiply 4 by n, which is written as 4n.