Writing Expressions

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value but does not have an equality sign.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equals sign (=).

Front

How do you represent 'twice a number h increased by 5' in algebraic form?

Back

2h + 5

Front

How do you express 'a number decreased by seventeen'?

Back

n - 17

Front

What is the algebraic expression for 'the sum of 6 and x'?

Back

x + 6

Front

How do you write 'the product of seven and a number increased by five'?

Back

7n + 5

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign and represents a value, while an equation states that two expressions are equal.

Front

What does the term 'variable' mean in mathematics?

Back

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

Front

What is the meaning of 'coefficient' in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression, such as the 2 in 2x.

Front

How would you express 'the sum of a number n and 4'?

Back

n + 4