Equations Math Example 4
Follow the full solution, then compare it with the other examples linked below.
Example 4
hardWhich of these is an equation and which is an expression? (a) (b)
Solution
- 1 (a) has no equals sign, so it is an expression.
- 2 (b) has an equals sign asserting equality, so it is an equation.
Answer
(a) expression, (b) equation
The key distinction: an expression is a combination of terms with no equals sign, while an equation uses to assert that two expressions have the same value.
About Equations
A mathematical statement that two expressions are equal, connected by an equals sign (). Equations assert a relationship between quantities and can be solved to find the values of unknown variables that make the statement true.
Learn more about Equations →