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 it mean to 'add a number' in algebraic terms?

Back

To 'add a number' means to combine a variable with a constant using the addition operation, represented as n + constant.

Front

How do you represent 'the product of a number and a constant' in algebra?

Back

The product of a number and a constant is represented by multiplying the variable by the constant, such as n * constant or simply constantn.

Front

What is the algebraic representation of 'a number subtracted from another number'?

Back

It is represented as the variable minus the constant, such as variable - constant.

Front

How do you express 'increased by' in algebraic terms?

Back

'Increased by' is expressed by adding a constant to a variable, such as variable + constant.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

How do you write an expression for 'twice a number'?

Back

'Twice a number' is written as 2n, where n is the variable.

Front

What does 'the sum of a number and 10' look like in algebraic form?

Back

It is represented as n + 10, where n is the variable.

Front

How do you represent 'the difference between a number and 5'?

Back

It is represented as n - 5, where n is the variable.

Front

What is the algebraic expression for 'three times a number decreased by 4'?

Back

It is represented as 3n - 4, where n is the variable.