Matrices (Operations & Determinants) Flashcard

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
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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 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
What is matrix addition?
Back
Matrix addition involves adding corresponding elements of two matrices of the same dimensions.
4.
FLASHCARD QUESTION
Front
What is matrix subtraction?
Back
Matrix subtraction involves subtracting corresponding elements of two matrices of the same dimensions.
5.
FLASHCARD QUESTION
Front
What is matrix multiplication?
Back
Matrix multiplication involves multiplying rows of the first matrix by columns of the second matrix, and is only defined when the number of columns in the first matrix equals the number of rows in the second.
6.
FLASHCARD QUESTION
Front
What is the determinant of a matrix?
Back
The determinant is a scalar value that is a function of the entries of a square matrix, providing important properties about the matrix.
7.
FLASHCARD QUESTION
Front
How do you find the determinant of a 2x2 matrix?
Back
For a 2x2 matrix [[a, b], [c, d]], the determinant is calculated as ad - bc.
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