What is a matrix?
AR Do Now - Matrices 12-10-24

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•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A matrix is a rectangular array of numbers arranged in rows and columns.
2.
FLASHCARD QUESTION
Front
How do you add two matrices?
Back
To add two matrices, add their corresponding elements. The matrices must have the same dimensions.
3.
FLASHCARD QUESTION
Front
What is the result of subtracting matrix B from matrix A (A - B)?
Back
The result is a new matrix where each element is the difference of the corresponding elements of A and B.
4.
FLASHCARD QUESTION
Front
What is matrix multiplication?
Back
Matrix multiplication involves multiplying rows of the first matrix by columns of the second matrix. The number of columns in the first matrix must equal the number of rows in the second.
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. It acts as the multiplicative identity in matrix multiplication.
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 are the dimensions of a matrix?
Back
The dimensions of a matrix are given in terms of rows and columns, expressed as 'm x n' where m is the number of rows and n is the number of columns.
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