Translating expressions

Front

What is the expression for '4 divided by the sum of a number and 12'?

Back

4 / (n + 12)

Front

How do you express 'A number squared increased by 1'?

Back

x² + 1

Front

What is the expression for 'a number more than 12'?

Back

12 + n

Front

How do you express 'the sum of 3 times a number and 7'?

Back

3n + 7

Front

What is the expression for 'Three less than twice a number'?

Back

2x - 3

Front

Define 'variable' in algebra.

Back

A symbol (often a letter) that represents an unknown value.

Front

What is an 'expression' in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

What does 'evaluate' mean in the context of expressions?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is the difference between an 'equation' and an 'expression'?

Back

An equation has an equality sign, while an expression does not.

Front

What does 'simplify' mean in mathematics?

Back

To reduce an expression to its simplest form.