Matrices — Question 47
Original QCE Vault practice · 1 mark
Q47 · Practice questionSimple familiar1 mark
QUESTION 47
An augmented matrix in row-echelon form has final row [0003]. The corresponding system has (B)infinitely many solutions
WORKED SOLUTION
Answer C
1 markWorked solution
The final row represents 0x+0y+0z=3, or 0=3. This contradiction means the system has no solution. Selects the correct option.
[1 mark]Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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