Writing and Interpreting Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols (like +, -, *, /). It does not have an equality sign.

Front

What does 'twice a number' mean in algebraic terms?

Back

'Twice a number' means to multiply the number by 2, represented as 2n.

Front

How do you express '4 less than the square of a number'?

Back

This is expressed as n² - 4.

Front

What is the algebraic expression for 'the quotient of a number and 7'?

Back

This is expressed as n/7.

Front

How do you write 'a number less than 8' in algebraic form?

Back

This is expressed as 8 - n.

Front

What does 'the sum of a number and four' mean in algebra?

Back

It means to add 4 to the number, represented as n + 4.

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an expression or equation.

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.

Front

What does 'the product of a number and 5' mean?

Back

It means to multiply the number by 5, represented as 5n.

Front

How do you express 'the difference of a number and 3'?

Back

This is expressed as n - 3.