What is a matrix?

Matrix Equations and Data Organization

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•
Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
FLASHCARD QUESTION
Front
What are the dimensions of a matrix?
Back
The dimensions of a matrix are given in the form 'm x n', where 'm' is the number of rows and 'n' is the number of columns.
3.
FLASHCARD QUESTION
Front
How do you add two matrices?
Back
Two matrices can be added if they have the same dimensions. The sum is obtained by adding corresponding elements.
4.
FLASHCARD QUESTION
Front
What is a 3x3 matrix?
Back
A 3x3 matrix is a matrix with 3 rows and 3 columns, containing 9 elements.
5.
FLASHCARD QUESTION
Front
What is the identity matrix?
Back
The identity matrix is a square matrix with ones on the diagonal and zeros elsewhere.
6.
FLASHCARD QUESTION
Front
What is a zero matrix?
Back
A zero matrix is a matrix in which all elements are zero.
7.
FLASHCARD QUESTION
Front
What is the transpose of a matrix?
Back
The transpose of a matrix is obtained by swapping its rows and columns.
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