Answer Happy

The reduced row-echelon forms of the augmented matrices of four systems are given below. How mary solutions does each system have? a [10​01​10−5​] A. No solutions B. Ininitely many solutions C. Unique solution D. None of the above b. [10​00​01​15−6​] A. Infinitely many solutions B. Unique solution C. No solutions D. None of the above c. ⎣⎡​100​010​14110​⎦⎤​ A. No solutions B. Infinitely many solutions C. Unique solution D. None of the above d⎣⎡​1000​0100​−8000​0010​⎦⎤​ A, Unique solution B. Infinitely many solutions C. No solutions D. None of the above