<h3>What is Equation, Expression and Inequality?</h3>
An equation is a mathematical expression that contains an equals symbol.
An expression is a combination of numbers, variables, functions
An inequality is a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
The first Phrase
, is a equation.
A equation contain operand, operators(+,-,*,/) and an equal sign.
The second phrase
4q>s+, is an inequality.
An inequality is a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
The third phrase
4a-5 is an expression
An expression is a combination of numbers, variables, functions
Ignore the fact that it says limit because when sin (pi) is here it is not an Undefined Point, whatever value the calculator says is sin(pi) is the answer.