Which of the following sets of data would you likely represent with a square matrix?
A
A teacher wants to write an augmented matrix representing a linear system with four equations and four unknowns.B
A student wants to write a coefficient matrix representing a linear system with two equations and three unknowns.C
A racquetball club has a tournament where each member plays every other member and represents the scores in a matrix.D
A shoe salesperson wants to use an augmented matrix to represent the quantity of children’s shoes and adult shoes sold at his store for two days.