Expression or Equation

Front

What is an expression?

Back

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

Is '7y' an expression or an equation?

Back

'7y' is an expression.

Front

Is '14x + 6' an expression or an equation?

Back

'14x + 6' is an expression.

Front

Is '15y = 45' an expression or an equation?

Back

'15y = 45' is an equation.

Front

Is '18 ÷ u = 9' an expression or an equation?

Back

'18 ÷ u = 9' is an equation.

Front

Is '33 - g' an expression or an equation?

Back

'33 - g' is an expression.

Front

What does the variable 'y' represent in an expression?

Back

The variable 'y' represents an unknown value that can change or vary.

Front

What does the variable 'x' represent in an equation?

Back

The variable 'x' represents an unknown value that can be solved for.

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 has an equals sign and shows that two expressions are equal.