inverse
/ˌɪnˈvɝs/
an element that combines with another to produce an identity element
inverse in a sentence
“The inverse of 5 under multiplication is 1/5.”
Origin of inverse
Latin inversus turned upside down, from invertere to turn inside out
Related Words
identity
an element that leaves other elements unchanged under an operation
variable
a symbol representing an unknown or changeable quantity
coefficient
a numerical factor multiplying a variable
polynomial
an expression of variables and coefficients using only addition, subtraction, and multiplication
quadratic
involving the second power of a variable
factorization
expressing a number or expression as a product of its factors