Question 1174109: Determine the number of solutions to this augmented matrix. (multiple choice)
1 2 0 1 4
0 1 -1 -3 2
0 0 1 3 5
0 0 0 0 1
A. Infinitely many
B. 2 solutions
C. 1 solution
D. No solutions
Answer by ikleyn(52887)   (Show Source):
You can put this solution on YOUR website! .
The last row of the matrix represents the equation
0*x1 + 0*x2 + 0*x3 + 0*x4 = 1,
which, OBVIOUSLY, has no solution/solutions.
Therefore, the answer to the problem's question is 0 (zero, ZERO).
Solved.
It is, actually, a joke problem . . .
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