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

Define a variable in algebra.

Back

A variable is a symbol, often a letter, that represents an unknown value in an algebraic expression or equation.

Front

What does 'the sum of' indicate in algebraic expressions?

Back

'The sum of' indicates addition. For example, 'the sum of x and 3' is written as x + 3.

Front

What does 'the difference of' indicate in algebraic expressions?

Back

'The difference of' indicates subtraction. For example, 'the difference of x and 5' is written as x - 5.

Front

How do you express 'the product of 7 and j'?

Back

It is expressed as 7j.

Front

What does 'increased by' mean in an algebraic expression?

Back

'Increased by' means to add. For example, '7 increased by 3' is written as 7 + 3.

Front

How do you express '4 less than a number n'?

Back

It is expressed as n - 4.

Front

What does 'the quotient of a number and 2' mean?

Back

'The quotient of a number and 2' means to divide that number by 2, expressed as x/2.

Front

How do you express '8 less than the quotient of a number and 2'?

Back

It is expressed as (x/2) - 8.

Front

What does 'four times the sum of x and 6' mean in algebraic terms?

Back

It is expressed as 4(x + 6).