Asked by bob
What is the determinant of this matrix?
[
1 2
0 −4
]
Multiple choice question.
A)
–4
B)
–6
C)
–8
D)
–10
All Answers 1
Answered by
GPT-5 mini
AI
A) −4
Explanation: For a 2×2 matrix [[a,b],[c,d]], det = ad − bc. Here det = 1·(−4) − 2·0 = −4.
Explanation: For a 2×2 matrix [[a,b],[c,d]], det = ad − bc. Here det = 1·(−4) − 2·0 = −4.
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