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Math
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Algebra 2
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Matrices, in Depth
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Determinants and Matrix Inverses
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Matrix Inverses
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Invertible Matrix Theorem
Practice problem
Invertible Matrix Theorem
By
C
Cameron Montag
A
=
[
2
4
6
1
3
5
3
9
9
]
A = \begin{bmatrix} 2 & 4 & 6 \\ 1 & 3 & 5 \\ 3 & 9 & 9 \end{bmatrix}
A
=
2
1
3
4
3
9
6
5
9
Is
A
A
A
invertible?
Choose one answer
Option A:
A
Yes
Option B:
B
No
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