Matrix Recovery Test
Flashcard
•
Mathematics
•
11th Grade
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a23?
Back
4
2.
FLASHCARD QUESTION
Front
What is the determinant of the matrix ⌈3 0⌉
⌊0 2⌋?
Back
-2
3.
FLASHCARD QUESTION
Front
Are the matrices A and B inverses of each other?
Back
Yes
4.
FLASHCARD QUESTION
Front
What is the INVERSE of the matrix A= ⌈3 0⌉
⌊0 2⌋?
Back
⌈1/3 0⌉
⌊0 1/2⌋
5.
FLASHCARD QUESTION
Front
What is the solution to the system of equations represented by the matrix?
Back
(2, -1, 5)
6.
FLASHCARD QUESTION
Front
Define a matrix.
Back
A matrix is a rectangular array of numbers arranged in rows and columns.
7.
FLASHCARD QUESTION
Front
What is the determinant of a 2x2 matrix?
Back
For a matrix ⌈a b⌉
⌊c d⌋, the determinant is ad - bc.
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