Unit 9 Test Matrices

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Back

Front

What is a matrix with the same number of rows as columns?

Back

Square matrix.

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Back

Front

Perform the indicated operation. If it’s not possible, select Not Possible.

Back

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Back

Front

What is the definition of a matrix?

Back

A matrix is a rectangular array of numbers arranged in rows and columns.

Front

What is the identity matrix of size 2?

Back

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Front

What is the result of adding two matrices of the same size?

Back

The result is a matrix of the same size where each element is the sum of the corresponding elements.

Front

What is a scalar multiplication of a matrix?

Back

Multiplying each element of the matrix by a scalar (a constant number).