Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
The main difference between an equation and a function is the fact that an equation usually deals with a single input, whereas, a function can have numerous inputs. In mathematics, an equation is used to denote the equality between two expressions.
An Equation is a mathematical sentence that uses the equal sign (=) to show that two expressions are equal. Example of Equation The following are some examples of equation.