Operations on Matrices

Flashcard
•
Mathematics
•
11th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a matrix?
Back
A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
FLASHCARD QUESTION
Front
What is matrix addition?
Back
Matrix addition is the operation of adding two matrices by adding their corresponding elements.
3.
FLASHCARD QUESTION
Front
What is matrix subtraction?
Back
Matrix subtraction is the operation of subtracting one matrix from another by subtracting their corresponding elements.
4.
FLASHCARD QUESTION
Front
What is matrix multiplication?
Back
Matrix multiplication is the operation of multiplying two matrices by taking the dot product of rows and columns.
5.
FLASHCARD QUESTION
Front
What are the conditions for matrix addition?
Back
Matrices must have the same dimensions (same number of rows and columns) to be added.
6.
FLASHCARD QUESTION
Front
What are the conditions for matrix multiplication?
Back
The number of columns in the first matrix must equal the number of rows in the second matrix.
7.
FLASHCARD QUESTION
Front
What is the identity matrix?
Back
The identity matrix is a square matrix with ones on the diagonal and zeros elsewhere, denoted as I.
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