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 one or more numbers.

Front

What does 'the sum of a number and 5' represent in algebraic form?

Back

x + 5, where x is the number.

Front

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

Back

x - 3, where x is the number.

Front

What is the product of a number and 7 written algebraically?

Back

7x, where x is the number.

Front

How do you write 'the quotient of a number and 4'?

Back

x/4, where x is the number.

Front

What does 'twice a number' mean in algebra?

Back

2x, where x is the number.

Front

Express 'three less than a number' in algebraic terms.

Back

x - 3, where x is the number.

Front

What is meant by 'four more than the product of 2 and a number'?

Back

2x + 4, where x is the number.

Front

How do you express 'the sum of a number and 12' in algebra?

Back

x + 12, where x is the number.