Practice 7.5 Adding and Subtracting Matrices

Flashcard
•
Mathematics
•
9th 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 does it mean for two matrices to be equal?
Back
Two matrices are equal if they have the same dimensions and corresponding elements are equal.
3.
FLASHCARD QUESTION
Front
What are the dimensions of a matrix?
Back
The dimensions of a matrix are given in the form of 'rows x columns'.
4.
FLASHCARD QUESTION
Front
What is matrix addition?
Back
Matrix addition is the operation of adding two matrices by adding their corresponding elements.
Tags
CCSS.HSN.VM.C.8
5.
FLASHCARD QUESTION
Front
What is matrix subtraction?
Back
Matrix subtraction is the operation of subtracting one matrix from another by subtracting their corresponding elements.
Tags
CCSS.HSN.VM.C.8
6.
FLASHCARD QUESTION
Front
What must be true in order to ADD two matrices?
Back
The dimensions of the matrices must be equal.
Tags
CCSS.HSN.VM.C.8
7.
FLASHCARD QUESTION
Front
What is the result of adding a 2x3 matrix and a 2x3 matrix?
Back
The result is another 2x3 matrix.
Tags
CCSS.HSN.VM.C.8
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