What is a matrix?
Matrix Retake

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•
Mathematics
•
9th - 12th Grade
•
Hard
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16 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
What does it mean to add two matrices?
Back
To add two matrices, they must have the same dimensions, and you add corresponding elements.
3.
FLASHCARD QUESTION
Front
What is the order of operations for matrix multiplication?
Back
Matrix multiplication is not commutative; the order matters. The number of columns in the first matrix must equal the number of rows in the second.
4.
FLASHCARD QUESTION
Front
What is a square matrix?
Back
A square matrix is a matrix with the same number of rows and columns.
5.
FLASHCARD QUESTION
Front
What is the determinant of a matrix?
Back
The determinant is a scalar value that can be computed from the elements of a square matrix, providing important properties of the matrix.
6.
FLASHCARD QUESTION
Front
What must be true in order to multiply two matrices?
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 a zero matrix?
Back
A zero matrix is a matrix in which all the elements are zero.
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