Question 84469
    the following matrix is a reduced augmented matrix obtained from a system of equations. The system has ____ solutions?


    1 0 3 -5 |7
    0 1 -2 0 |4
    0 0 0 0 |0
    0 0 0 0 |0

THE RANK OF COEFFICIENT MATRIX=2 < 4 THE ORDER....SO IT HAS EITHER ZERO 
OR INFINITE SOLUTIONS.
RANK OF AUGMENTED MATRIX = 2 = RANK OF COEFFICIENT MATRIX 
HENCE THE SYSTEM IS CONSISTENT.
HENCE IT HAS INFINITE SOLUTIONS

    A. One
    B. Two
    C. Infinite
    D. No