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 'subtract a number from 10'?

Back

It means to take a variable (n) and subtract it from 10, resulting in the expression 10 - n.

Front

How do you express '6 fewer than twice t' in algebraic form?

Back

The expression is 2t - 6.

Front

What is the quotient of a number and twelve represented as an algebraic expression?

Back

It is represented as x/12.

Front

How do you write 'six times the sum of an unknown quantity and seven' in algebraic form?

Back

The algebraic expression is 6(s + 7).

Front

Translate '2 times the sum of a number and 15' into an algebraic expression using b.

Back

The expression is 2(b + 15).

Front

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

Back

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

Front

What does it mean to 'translate' a phrase into an algebraic expression?

Back

It means to convert a verbal statement into a mathematical expression using variables and numbers.

Front

What is the algebraic expression for 'the sum of a number and 12'?

Back

It is represented as x + 12.

Front

How do you express 'the product of a number and 4' in algebraic form?

Back

The expression is 4x, where x is the unknown number.