In questions 1-4, state whether the matrices are in echelon form, reduced row echelon
form (RREF) or neither form.
Echelon form RREF neither
Echelon form RREF neither
Echelon form RREF neither
Echelon form RREF neither
Given the augmented matrix below that corresponds to a linear system in
variables and , what is the correct parametric description of the solution
set?