In geometry simple words such as point and line are taken as undefined terms. Mathematically undefined can be defined as an expression which is impossible or an expression which does not have an exact definition or an expression that cannot be interpreted. The is undefined in the set of real numbers.
More precisely undefined values occur when an expression is evaluated for input values outside of.
In mathematics the word undefined has several different meanings depending on the context. However something that is undefined today may be given a definition in the future. Point slope form Learn how to. Undefined slope A thorough explanation of what it means for a slope to be undefined.