Matrices as Functions
AP Precalculus · Flashcards · Application
AP PRECALCULUS · FLASHCARDS
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QUESTION
Find the determinant of
[
3
4
2
5
]
\begin{bmatrix} 3 & 4 \\ 2 & 5 \end{bmatrix}
[
3
2
4
5
]
.
QUESTION
If
A
=
[
1
2
3
4
]
A = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}
A
=
[
1
3
2
4
]
, find
A
−
A
A - A
A
−
A
.
QUESTION
Identify the transpose of matrix
A
=
[
1
2
3
4
]
A = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}
A
=
[
1
3
2
4
]
.
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ANSWER
A
T
=
[
1
3
2
4
]
A^T = \begin{bmatrix} 1 & 3 \\ 2 & 4 \end{bmatrix}
A
T
=
[
1
2
3
4
]
. Transpose switches rows and columns.
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