6.1 Intro to Matrices Practice #1

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Mathematics
•
9th - 11th 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 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
You can add two matrices if they have the same dimensions by adding their corresponding elements.
4.
FLASHCARD QUESTION
Front
What is the result of adding a 2x3 matrix and a 2x3 matrix?
Back
The result is another 2x3 matrix.
5.
FLASHCARD QUESTION
Front
What is a 5 x 4 matrix?
Back
A 5 x 4 matrix has 5 rows and 4 columns.
6.
FLASHCARD QUESTION
Front
How do you multiply a matrix by a scalar?
Back
To multiply a matrix by a scalar, multiply each element of the matrix by the scalar.
7.
FLASHCARD QUESTION
Front
What is the result of multiplying a 2x2 matrix by a 2x1 matrix?
Back
The result is a 2x1 matrix.
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